Home / 829,658.26-1,144,587.81-615,325.78

Finding the Fourth Proportional to 829,658.26, 1,144,587.81 and 615,325.78

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Solution

The fourth proportional to 829,658.26, 1,144,587.81 and 615,325.78 is: 848,896.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,658.26 : 1,144,587.81 = 615,325.78 : x
  2. Step 2: Convert to fraction form
    829,658.26/1,144,587.81 = 615,325.78/x
  3. Step 3: Cross multiply
    829,658.26x = 1,144,587.81 × 615,325.78
  4. Step 4: Simplify right side
    829,658.26x = 704,294,386,966.74
  5. Step 5: Solve for x
    x = 704,294,386,966.74/829,658.26
  6. Step 6: Final answer
    x = 848,896.97

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Double scale
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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.