Home / 910,561.07-1,256,541.34-502,654.15

Finding the Fourth Proportional to 910,561.07, 1,256,541.34 and 502,654.15

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Solution

The fourth proportional to 910,561.07, 1,256,541.34 and 502,654.15 is: 693,644.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,561.07 : 1,256,541.34 = 502,654.15 : x
  2. Step 2: Convert to fraction form
    910,561.07/1,256,541.34 = 502,654.15/x
  3. Step 3: Cross multiply
    910,561.07x = 1,256,541.34 × 502,654.15
  4. Step 4: Simplify right side
    910,561.07x = 631,605,719,197.56
  5. Step 5: Solve for x
    x = 631,605,719,197.56/910,561.07
  6. Step 6: Final answer
    x = 693,644.55

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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.