Home / 730,671.60-1,008,295.08-399,521.46

Finding the Fourth Proportional to 730,671.60, 1,008,295.08 and 399,521.46

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Solution

The fourth proportional to 730,671.60, 1,008,295.08 and 399,521.46 is: 551,322.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,671.60 : 1,008,295.08 = 399,521.46 : x
  2. Step 2: Convert to fraction form
    730,671.60/1,008,295.08 = 399,521.46/x
  3. Step 3: Cross multiply
    730,671.60x = 1,008,295.08 × 399,521.46
  4. Step 4: Simplify right side
    730,671.60x = 402,835,522,472.42
  5. Step 5: Solve for x
    x = 402,835,522,472.42/730,671.60
  6. Step 6: Final answer
    x = 551,322.27

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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.