Home / 623,140.60-932,742.60-489,296.20

Finding the Fourth Proportional to 623,140.60, 932,742.60 and 489,296.20

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Solution

The fourth proportional to 623,140.60, 932,742.60 and 489,296.20 is: 732,398.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,140.60 : 932,742.60 = 489,296.20 : x
  2. Step 2: Convert to fraction form
    623,140.60/932,742.60 = 489,296.20/x
  3. Step 3: Cross multiply
    623,140.60x = 932,742.60 × 489,296.20
  4. Step 4: Simplify right side
    623,140.60x = 456,387,409,758.12
  5. Step 5: Solve for x
    x = 456,387,409,758.12/623,140.60
  6. Step 6: Final answer
    x = 732,398.77

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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.