Home / 859,652.79-1,185,826.85-536,802.38

Finding the Fourth Proportional to 859,652.79, 1,185,826.85 and 536,802.38

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Solution

The fourth proportional to 859,652.79, 1,185,826.85 and 536,802.38 is: 740,478.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,652.79 : 1,185,826.85 = 536,802.38 : x
  2. Step 2: Convert to fraction form
    859,652.79/1,185,826.85 = 536,802.38/x
  3. Step 3: Cross multiply
    859,652.79x = 1,185,826.85 × 536,802.38
  4. Step 4: Simplify right side
    859,652.79x = 636,554,679,654.48
  5. Step 5: Solve for x
    x = 636,554,679,654.48/859,652.79
  6. Step 6: Final answer
    x = 740,478.82

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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.