Home / 882,569.52-1,217,911.68-500,670.72

Finding the Fourth Proportional to 882,569.52, 1,217,911.68 and 500,670.72

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Solution

The fourth proportional to 882,569.52, 1,217,911.68 and 500,670.72 is: 690,906.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,569.52 : 1,217,911.68 = 500,670.72 : x
  2. Step 2: Convert to fraction form
    882,569.52/1,217,911.68 = 500,670.72/x
  3. Step 3: Cross multiply
    882,569.52x = 1,217,911.68 × 500,670.72
  4. Step 4: Simplify right side
    882,569.52x = 609,772,717,722.01
  5. Step 5: Solve for x
    x = 609,772,717,722.01/882,569.52
  6. Step 6: Final answer
    x = 690,906.16

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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.