Home / 731,518.13-1,009,496.51-409,233.62

Finding the Fourth Proportional to 731,518.13, 1,009,496.51 and 409,233.62

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Solution

The fourth proportional to 731,518.13, 1,009,496.51 and 409,233.62 is: 564,743.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,518.13 : 1,009,496.51 = 409,233.62 : x
  2. Step 2: Convert to fraction form
    731,518.13/1,009,496.51 = 409,233.62/x
  3. Step 3: Cross multiply
    731,518.13x = 1,009,496.51 × 409,233.62
  4. Step 4: Simplify right side
    731,518.13x = 413,119,911,164.67
  5. Step 5: Solve for x
    x = 413,119,911,164.67/731,518.13
  6. Step 6: Final answer
    x = 564,743.23

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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.