Home / 1,133,404.24-1,563,746.40-643,293.76

Finding the Fourth Proportional to 1,133,404.24, 1,563,746.40 and 643,293.76

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Solution

The fourth proportional to 1,133,404.24, 1,563,746.40 and 643,293.76 is: 887,545.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,404.24 : 1,563,746.40 = 643,293.76 : x
  2. Step 2: Convert to fraction form
    1,133,404.24/1,563,746.40 = 643,293.76/x
  3. Step 3: Cross multiply
    1,133,404.24x = 1,563,746.40 × 643,293.76
  4. Step 4: Simplify right side
    1,133,404.24x = 1,005,948,301,342.46
  5. Step 5: Solve for x
    x = 1,005,948,301,342.46/1,133,404.24
  6. Step 6: Final answer
    x = 887,545.91

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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.