Home / 957,666.78-1,321,588.71-527,962.05

Finding the Fourth Proportional to 957,666.78, 1,321,588.71 and 527,962.05

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Solution

The fourth proportional to 957,666.78, 1,321,588.71 and 527,962.05 is: 728,592.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,666.78 : 1,321,588.71 = 527,962.05 : x
  2. Step 2: Convert to fraction form
    957,666.78/1,321,588.71 = 527,962.05/x
  3. Step 3: Cross multiply
    957,666.78x = 1,321,588.71 × 527,962.05
  4. Step 4: Simplify right side
    957,666.78x = 697,748,684,588.46
  5. Step 5: Solve for x
    x = 697,748,684,588.46/957,666.78
  6. Step 6: Final answer
    x = 728,592.34

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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.