Home / 1,125,663.24-1,553,417.78-609,422.57

Finding the Fourth Proportional to 1,125,663.24, 1,553,417.78 and 609,422.57

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Solution

The fourth proportional to 1,125,663.24, 1,553,417.78 and 609,422.57 is: 841,004.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,663.24 : 1,553,417.78 = 609,422.57 : x
  2. Step 2: Convert to fraction form
    1,125,663.24/1,553,417.78 = 609,422.57/x
  3. Step 3: Cross multiply
    1,125,663.24x = 1,553,417.78 × 609,422.57
  4. Step 4: Simplify right side
    1,125,663.24x = 946,687,855,771.30
  5. Step 5: Solve for x
    x = 946,687,855,771.30/1,125,663.24
  6. Step 6: Final answer
    x = 841,004.50

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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.