Home / 765,823.82-1,057,126.04-602,053.05

Finding the Fourth Proportional to 765,823.82, 1,057,126.04 and 602,053.05

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Solution

The fourth proportional to 765,823.82, 1,057,126.04 and 602,053.05 is: 831,060.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,823.82 : 1,057,126.04 = 602,053.05 : x
  2. Step 2: Convert to fraction form
    765,823.82/1,057,126.04 = 602,053.05/x
  3. Step 3: Cross multiply
    765,823.82x = 1,057,126.04 × 602,053.05
  4. Step 4: Simplify right side
    765,823.82x = 636,445,959,828.08
  5. Step 5: Solve for x
    x = 636,445,959,828.08/765,823.82
  6. Step 6: Final answer
    x = 831,060.55

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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.