Home / 897,776.40-1,238,761.71-535,233.72

Finding the Fourth Proportional to 897,776.40, 1,238,761.71 and 535,233.72

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Solution

The fourth proportional to 897,776.40, 1,238,761.71 and 535,233.72 is: 738,521.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,776.40 : 1,238,761.71 = 535,233.72 : x
  2. Step 2: Convert to fraction form
    897,776.40/1,238,761.71 = 535,233.72/x
  3. Step 3: Cross multiply
    897,776.40x = 1,238,761.71 × 535,233.72
  4. Step 4: Simplify right side
    897,776.40x = 663,027,038,236.86
  5. Step 5: Solve for x
    x = 663,027,038,236.86/897,776.40
  6. Step 6: Final answer
    x = 738,521.35

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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.