Home / 736,041.60-1,104,062.40-642,729.60

Finding the Fourth Proportional to 736,041.60, 1,104,062.40 and 642,729.60

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Solution

The fourth proportional to 736,041.60, 1,104,062.40 and 642,729.60 is: 964,094.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,041.60 : 1,104,062.40 = 642,729.60 : x
  2. Step 2: Convert to fraction form
    736,041.60/1,104,062.40 = 642,729.60/x
  3. Step 3: Cross multiply
    736,041.60x = 1,104,062.40 × 642,729.60
  4. Step 4: Simplify right side
    736,041.60x = 709,613,584,727.04
  5. Step 5: Solve for x
    x = 709,613,584,727.04/736,041.60
  6. Step 6: Final answer
    x = 964,094.40

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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.