Home / 623,141.10-932,743.35-489,296.70

Finding the Fourth Proportional to 623,141.10, 932,743.35 and 489,296.70

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Solution

The fourth proportional to 623,141.10, 932,743.35 and 489,296.70 is: 732,399.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,141.10 : 932,743.35 = 489,296.70 : x
  2. Step 2: Convert to fraction form
    623,141.10/932,743.35 = 489,296.70/x
  3. Step 3: Cross multiply
    623,141.10x = 932,743.35 × 489,296.70
  4. Step 4: Simplify right side
    623,141.10x = 456,388,243,101.95
  5. Step 5: Solve for x
    x = 456,388,243,101.95/623,141.10
  6. Step 6: Final answer
    x = 732,399.52

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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.