Home / 581,552.60-870,929.18-393,995.48

Finding the Fourth Proportional to 581,552.60, 870,929.18 and 393,995.48

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Solution

The fourth proportional to 581,552.60, 870,929.18 and 393,995.48 is: 590,044.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,552.60 : 870,929.18 = 393,995.48 : x
  2. Step 2: Convert to fraction form
    581,552.60/870,929.18 = 393,995.48/x
  3. Step 3: Cross multiply
    581,552.60x = 870,929.18 × 393,995.48
  4. Step 4: Simplify right side
    581,552.60x = 343,142,160,320.11
  5. Step 5: Solve for x
    x = 343,142,160,320.11/581,552.60
  6. Step 6: Final answer
    x = 590,044.93

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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.