Home / 858,895.56-1,185,385.20-519,366.24

Finding the Fourth Proportional to 858,895.56, 1,185,385.20 and 519,366.24

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Solution

The fourth proportional to 858,895.56, 1,185,385.20 and 519,366.24 is: 716,791.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,895.56 : 1,185,385.20 = 519,366.24 : x
  2. Step 2: Convert to fraction form
    858,895.56/1,185,385.20 = 519,366.24/x
  3. Step 3: Cross multiply
    858,895.56x = 1,185,385.20 × 519,366.24
  4. Step 4: Simplify right side
    858,895.56x = 615,649,054,275.65
  5. Step 5: Solve for x
    x = 615,649,054,275.65/858,895.56
  6. Step 6: Final answer
    x = 716,791.52

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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.