Home / 910,555.59-1,256,585.10-502,655.79

Finding the Fourth Proportional to 910,555.59, 1,256,585.10 and 502,655.79

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Solution

The fourth proportional to 910,555.59, 1,256,585.10 and 502,655.79 is: 693,675.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,555.59 : 1,256,585.10 = 502,655.79 : x
  2. Step 2: Convert to fraction form
    910,555.59/1,256,585.10 = 502,655.79/x
  3. Step 3: Cross multiply
    910,555.59x = 1,256,585.10 × 502,655.79
  4. Step 4: Simplify right side
    910,555.59x = 631,629,776,142.73
  5. Step 5: Solve for x
    x = 631,629,776,142.73/910,555.59
  6. Step 6: Final answer
    x = 693,675.14

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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.