Home / 1,394,680.17-1,924,510.79-782,900.34

Finding the Fourth Proportional to 1,394,680.17, 1,924,510.79 and 782,900.34

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Solution

The fourth proportional to 1,394,680.17, 1,924,510.79 and 782,900.34 is: 1,080,319.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,680.17 : 1,924,510.79 = 782,900.34 : x
  2. Step 2: Convert to fraction form
    1,394,680.17/1,924,510.79 = 782,900.34/x
  3. Step 3: Cross multiply
    1,394,680.17x = 1,924,510.79 × 782,900.34
  4. Step 4: Simplify right side
    1,394,680.17x = 1,506,700,146,565.00
  5. Step 5: Solve for x
    x = 1,506,700,146,565.00/1,394,680.17
  6. Step 6: Final answer
    x = 1,080,319.47

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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.