Home / 1,011,363.76-1,395,682.02-558,654.76

Finding the Fourth Proportional to 1,011,363.76, 1,395,682.02 and 558,654.76

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Solution

The fourth proportional to 1,011,363.76, 1,395,682.02 and 558,654.76 is: 770,943.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,363.76 : 1,395,682.02 = 558,654.76 : x
  2. Step 2: Convert to fraction form
    1,011,363.76/1,395,682.02 = 558,654.76/x
  3. Step 3: Cross multiply
    1,011,363.76x = 1,395,682.02 × 558,654.76
  4. Step 4: Simplify right side
    1,011,363.76x = 779,704,403,919.42
  5. Step 5: Solve for x
    x = 779,704,403,919.42/1,011,363.76
  6. Step 6: Final answer
    x = 770,943.59

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Double scale
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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.