Home / 738,784.80-1,108,177.20-473,064.30

Finding the Fourth Proportional to 738,784.80, 1,108,177.20 and 473,064.30

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Solution

The fourth proportional to 738,784.80, 1,108,177.20 and 473,064.30 is: 709,596.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,784.80 : 1,108,177.20 = 473,064.30 : x
  2. Step 2: Convert to fraction form
    738,784.80/1,108,177.20 = 473,064.30/x
  3. Step 3: Cross multiply
    738,784.80x = 1,108,177.20 × 473,064.30
  4. Step 4: Simplify right side
    738,784.80x = 524,239,071,393.96
  5. Step 5: Solve for x
    x = 524,239,071,393.96/738,784.80
  6. Step 6: Final answer
    x = 709,596.45

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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.