Home / 825,349.04-1,138,967.22-462,771.76

Finding the Fourth Proportional to 825,349.04, 1,138,967.22 and 462,771.76

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Solution

The fourth proportional to 825,349.04, 1,138,967.22 and 462,771.76 is: 638,616.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,349.04 : 1,138,967.22 = 462,771.76 : x
  2. Step 2: Convert to fraction form
    825,349.04/1,138,967.22 = 462,771.76/x
  3. Step 3: Cross multiply
    825,349.04x = 1,138,967.22 × 462,771.76
  4. Step 4: Simplify right side
    825,349.04x = 527,081,864,981.71
  5. Step 5: Solve for x
    x = 527,081,864,981.71/825,349.04
  6. Step 6: Final answer
    x = 638,616.92

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.