Home / 910,576.17-1,256,605.28-502,678.22

Finding the Fourth Proportional to 910,576.17, 1,256,605.28 and 502,678.22

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Solution

The fourth proportional to 910,576.17, 1,256,605.28 and 502,678.22 is: 693,701.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,576.17 : 1,256,605.28 = 502,678.22 : x
  2. Step 2: Convert to fraction form
    910,576.17/1,256,605.28 = 502,678.22/x
  3. Step 3: Cross multiply
    910,576.17x = 1,256,605.28 × 502,678.22
  4. Step 4: Simplify right side
    910,576.17x = 631,668,098,481.63
  5. Step 5: Solve for x
    x = 631,668,098,481.63/910,576.17
  6. Step 6: Final answer
    x = 693,701.55

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1.5x scale

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.