Home / 1,005,414.76-1,387,263-597,660.76

Finding the Fourth Proportional to 1,005,414.76, 1,387,263 and 597,660.76

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Solution

The fourth proportional to 1,005,414.76, 1,387,263 and 597,660.76 is: 824,647.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,414.76 : 1,387,263 = 597,660.76 : x
  2. Step 2: Convert to fraction form
    1,005,414.76/1,387,263 = 597,660.76/x
  3. Step 3: Cross multiply
    1,005,414.76x = 1,387,263 × 597,660.76
  4. Step 4: Simplify right side
    1,005,414.76x = 829,112,658,899.88
  5. Step 5: Solve for x
    x = 829,112,658,899.88/1,005,414.76
  6. Step 6: Final answer
    x = 824,647.39

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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.