Home / 910,462.71-1,256,438.34-502,564.44

Finding the Fourth Proportional to 910,462.71, 1,256,438.34 and 502,564.44

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Solution

The fourth proportional to 910,462.71, 1,256,438.34 and 502,564.44 is: 693,538.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,462.71 : 1,256,438.34 = 502,564.44 : x
  2. Step 2: Convert to fraction form
    910,462.71/1,256,438.34 = 502,564.44/x
  3. Step 3: Cross multiply
    910,462.71x = 1,256,438.34 × 502,564.44
  4. Step 4: Simplify right side
    910,462.71x = 631,441,231,091.80
  5. Step 5: Solve for x
    x = 631,441,231,091.80/910,462.71
  6. Step 6: Final answer
    x = 693,538.82

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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.