Home / 748,167.26-1,032,470.80-408,636.32

Finding the Fourth Proportional to 748,167.26, 1,032,470.80 and 408,636.32

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Solution

The fourth proportional to 748,167.26, 1,032,470.80 and 408,636.32 is: 563,918.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,167.26 : 1,032,470.80 = 408,636.32 : x
  2. Step 2: Convert to fraction form
    748,167.26/1,032,470.80 = 408,636.32/x
  3. Step 3: Cross multiply
    748,167.26x = 1,032,470.80 × 408,636.32
  4. Step 4: Simplify right side
    748,167.26x = 421,905,068,219.46
  5. Step 5: Solve for x
    x = 421,905,068,219.46/748,167.26
  6. Step 6: Final answer
    x = 563,918.11

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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.