Home / 1,169,320.40-1,753,462.20-538,427.60

Finding the Fourth Proportional to 1,169,320.40, 1,753,462.20 and 538,427.60

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Solution

The fourth proportional to 1,169,320.40, 1,753,462.20 and 538,427.60 is: 807,402.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,320.40 : 1,753,462.20 = 538,427.60 : x
  2. Step 2: Convert to fraction form
    1,169,320.40/1,753,462.20 = 538,427.60/x
  3. Step 3: Cross multiply
    1,169,320.40x = 1,753,462.20 × 538,427.60
  4. Step 4: Simplify right side
    1,169,320.40x = 944,112,444,036.72
  5. Step 5: Solve for x
    x = 944,112,444,036.72/1,169,320.40
  6. Step 6: Final answer
    x = 807,402.70

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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.