Home / 897,724.09-1,238,689.28-535,181.66

Finding the Fourth Proportional to 897,724.09, 1,238,689.28 and 535,181.66

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Solution

The fourth proportional to 897,724.09, 1,238,689.28 and 535,181.66 is: 738,449.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,724.09 : 1,238,689.28 = 535,181.66 : x
  2. Step 2: Convert to fraction form
    897,724.09/1,238,689.28 = 535,181.66/x
  3. Step 3: Cross multiply
    897,724.09x = 1,238,689.28 × 535,181.66
  4. Step 4: Simplify right side
    897,724.09x = 662,923,780,239.11
  5. Step 5: Solve for x
    x = 662,923,780,239.11/897,724.09
  6. Step 6: Final answer
    x = 738,449.36

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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.