Home / 910,946.28-1,257,476.40-588,682.92

Finding the Fourth Proportional to 910,946.28, 1,257,476.40 and 588,682.92

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Solution

The fourth proportional to 910,946.28, 1,257,476.40 and 588,682.92 is: 812,621.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,946.28 : 1,257,476.40 = 588,682.92 : x
  2. Step 2: Convert to fraction form
    910,946.28/1,257,476.40 = 588,682.92/x
  3. Step 3: Cross multiply
    910,946.28x = 1,257,476.40 × 588,682.92
  4. Step 4: Simplify right side
    910,946.28x = 740,254,878,983.09
  5. Step 5: Solve for x
    x = 740,254,878,983.09/910,946.28
  6. Step 6: Final answer
    x = 812,621.88

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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.