Home / 912,795.60-1,369,193.40-247,947.60

Finding the Fourth Proportional to 912,795.60, 1,369,193.40 and 247,947.60

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Solution

The fourth proportional to 912,795.60, 1,369,193.40 and 247,947.60 is: 371,921.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,795.60 : 1,369,193.40 = 247,947.60 : x
  2. Step 2: Convert to fraction form
    912,795.60/1,369,193.40 = 247,947.60/x
  3. Step 3: Cross multiply
    912,795.60x = 1,369,193.40 × 247,947.60
  4. Step 4: Simplify right side
    912,795.60x = 339,488,217,465.84
  5. Step 5: Solve for x
    x = 339,488,217,465.84/912,795.60
  6. Step 6: Final answer
    x = 371,921.40

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Half scale
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Double scale
Find fourth proportional to 912,796.60, 1,369,194.90 and 247,948.60
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.