Home / 1,005,747.24-1,387,931.20-553,038.24

Finding the Fourth Proportional to 1,005,747.24, 1,387,931.20 and 553,038.24

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Solution

The fourth proportional to 1,005,747.24, 1,387,931.20 and 553,038.24 is: 763,192.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,747.24 : 1,387,931.20 = 553,038.24 : x
  2. Step 2: Convert to fraction form
    1,005,747.24/1,387,931.20 = 553,038.24/x
  3. Step 3: Cross multiply
    1,005,747.24x = 1,387,931.20 × 553,038.24
  4. Step 4: Simplify right side
    1,005,747.24x = 767,579,028,089.09
  5. Step 5: Solve for x
    x = 767,579,028,089.09/1,005,747.24
  6. Step 6: Final answer
    x = 763,192.78

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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.