Home / 1,071,199.30-1,478,205.57-587,752.42

Finding the Fourth Proportional to 1,071,199.30, 1,478,205.57 and 587,752.42

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Solution

The fourth proportional to 1,071,199.30, 1,478,205.57 and 587,752.42 is: 811,071.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,199.30 : 1,478,205.57 = 587,752.42 : x
  2. Step 2: Convert to fraction form
    1,071,199.30/1,478,205.57 = 587,752.42/x
  3. Step 3: Cross multiply
    1,071,199.30x = 1,478,205.57 × 587,752.42
  4. Step 4: Simplify right side
    1,071,199.30x = 868,818,901,024.98
  5. Step 5: Solve for x
    x = 868,818,901,024.98/1,071,199.30
  6. Step 6: Final answer
    x = 811,071.20

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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.