Home / 1,000,115.53-1,380,011.02-607,444.29

Finding the Fourth Proportional to 1,000,115.53, 1,380,011.02 and 607,444.29

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Solution

The fourth proportional to 1,000,115.53, 1,380,011.02 and 607,444.29 is: 838,182.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,115.53 : 1,380,011.02 = 607,444.29 : x
  2. Step 2: Convert to fraction form
    1,000,115.53/1,380,011.02 = 607,444.29/x
  3. Step 3: Cross multiply
    1,000,115.53x = 1,380,011.02 × 607,444.29
  4. Step 4: Simplify right side
    1,000,115.53x = 838,279,812,717.47
  5. Step 5: Solve for x
    x = 838,279,812,717.47/1,000,115.53
  6. Step 6: Final answer
    x = 838,182.98

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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.