Home / 880,077.83-1,216,728.51-650,272.66

Finding the Fourth Proportional to 880,077.83, 1,216,728.51 and 650,272.66

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Solution

The fourth proportional to 880,077.83, 1,216,728.51 and 650,272.66 is: 899,017.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,077.83 : 1,216,728.51 = 650,272.66 : x
  2. Step 2: Convert to fraction form
    880,077.83/1,216,728.51 = 650,272.66/x
  3. Step 3: Cross multiply
    880,077.83x = 1,216,728.51 × 650,272.66
  4. Step 4: Simplify right side
    880,077.83x = 791,205,279,215.19
  5. Step 5: Solve for x
    x = 791,205,279,215.19/880,077.83
  6. Step 6: Final answer
    x = 899,017.40

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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.