Home / 936,384.90-1,404,577.35-749,760.90

Finding the Fourth Proportional to 936,384.90, 1,404,577.35 and 749,760.90

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Solution

The fourth proportional to 936,384.90, 1,404,577.35 and 749,760.90 is: 1,124,641.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,384.90 : 1,404,577.35 = 749,760.90 : x
  2. Step 2: Convert to fraction form
    936,384.90/1,404,577.35 = 749,760.90/x
  3. Step 3: Cross multiply
    936,384.90x = 1,404,577.35 × 749,760.90
  4. Step 4: Simplify right side
    936,384.90x = 1,053,097,178,055.62
  5. Step 5: Solve for x
    x = 1,053,097,178,055.62/936,384.90
  6. Step 6: Final answer
    x = 1,124,641.35

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.