Home / 882,005.20-1,319,897.40-614,510.80

Finding the Fourth Proportional to 882,005.20, 1,319,897.40 and 614,510.80

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Solution

The fourth proportional to 882,005.20, 1,319,897.40 and 614,510.80 is: 919,599.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,005.20 : 1,319,897.40 = 614,510.80 : x
  2. Step 2: Convert to fraction form
    882,005.20/1,319,897.40 = 614,510.80/x
  3. Step 3: Cross multiply
    882,005.20x = 1,319,897.40 × 614,510.80
  4. Step 4: Simplify right side
    882,005.20x = 811,091,207,191.92
  5. Step 5: Solve for x
    x = 811,091,207,191.92/882,005.20
  6. Step 6: Final answer
    x = 919,599.12

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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.