Home / 739,150.80-1,108,726.20-473,430.30

Finding the Fourth Proportional to 739,150.80, 1,108,726.20 and 473,430.30

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Solution

The fourth proportional to 739,150.80, 1,108,726.20 and 473,430.30 is: 710,145.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,150.80 : 1,108,726.20 = 473,430.30 : x
  2. Step 2: Convert to fraction form
    739,150.80/1,108,726.20 = 473,430.30/x
  3. Step 3: Cross multiply
    739,150.80x = 1,108,726.20 × 473,430.30
  4. Step 4: Simplify right side
    739,150.80x = 524,904,577,483.86
  5. Step 5: Solve for x
    x = 524,904,577,483.86/739,150.80
  6. Step 6: Final answer
    x = 710,145.45

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Half scale
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Double scale
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Similar ratio
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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.