Home / 931,454.10-1,397,181.15-876,341.70

Finding the Fourth Proportional to 931,454.10, 1,397,181.15 and 876,341.70

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Solution

The fourth proportional to 931,454.10, 1,397,181.15 and 876,341.70 is: 1,314,512.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,454.10 : 1,397,181.15 = 876,341.70 : x
  2. Step 2: Convert to fraction form
    931,454.10/1,397,181.15 = 876,341.70/x
  3. Step 3: Cross multiply
    931,454.10x = 1,397,181.15 × 876,341.70
  4. Step 4: Simplify right side
    931,454.10x = 1,224,408,104,198.95
  5. Step 5: Solve for x
    x = 1,224,408,104,198.95/931,454.10
  6. Step 6: Final answer
    x = 1,314,512.55

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Double scale
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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.