Home / 913,329.60-1,369,994.40-352,364.10

Finding the Fourth Proportional to 913,329.60, 1,369,994.40 and 352,364.10

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Solution

The fourth proportional to 913,329.60, 1,369,994.40 and 352,364.10 is: 528,546.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,329.60 : 1,369,994.40 = 352,364.10 : x
  2. Step 2: Convert to fraction form
    913,329.60/1,369,994.40 = 352,364.10/x
  3. Step 3: Cross multiply
    913,329.60x = 1,369,994.40 × 352,364.10
  4. Step 4: Simplify right side
    913,329.60x = 482,736,843,761.04
  5. Step 5: Solve for x
    x = 482,736,843,761.04/913,329.60
  6. Step 6: Final answer
    x = 528,546.15

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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.