Home / 616,132.20-922,643.10-457,501.80

Finding the Fourth Proportional to 616,132.20, 922,643.10 and 457,501.80

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Solution

The fourth proportional to 616,132.20, 922,643.10 and 457,501.80 is: 685,097.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,132.20 : 922,643.10 = 457,501.80 : x
  2. Step 2: Convert to fraction form
    616,132.20/922,643.10 = 457,501.80/x
  3. Step 3: Cross multiply
    616,132.20x = 922,643.10 × 457,501.80
  4. Step 4: Simplify right side
    616,132.20x = 422,110,879,007.58
  5. Step 5: Solve for x
    x = 422,110,879,007.58/616,132.20
  6. Step 6: Final answer
    x = 685,097.90

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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.