Home / 912,449.40-1,368,674.10-247,601.40

Finding the Fourth Proportional to 912,449.40, 1,368,674.10 and 247,601.40

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Solution

The fourth proportional to 912,449.40, 1,368,674.10 and 247,601.40 is: 371,402.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,449.40 : 1,368,674.10 = 247,601.40 : x
  2. Step 2: Convert to fraction form
    912,449.40/1,368,674.10 = 247,601.40/x
  3. Step 3: Cross multiply
    912,449.40x = 1,368,674.10 × 247,601.40
  4. Step 4: Simplify right side
    912,449.40x = 338,885,623,303.74
  5. Step 5: Solve for x
    x = 338,885,623,303.74/912,449.40
  6. Step 6: Final answer
    x = 371,402.10

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Half scale
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Double scale
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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.