Home / 870,605.46-1,201,935.18-580,140.24

Finding the Fourth Proportional to 870,605.46, 1,201,935.18 and 580,140.24

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Solution

The fourth proportional to 870,605.46, 1,201,935.18 and 580,140.24 is: 800,926.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,605.46 : 1,201,935.18 = 580,140.24 : x
  2. Step 2: Convert to fraction form
    870,605.46/1,201,935.18 = 580,140.24/x
  3. Step 3: Cross multiply
    870,605.46x = 1,201,935.18 × 580,140.24
  4. Step 4: Simplify right side
    870,605.46x = 697,290,963,789.64
  5. Step 5: Solve for x
    x = 697,290,963,789.64/870,605.46
  6. Step 6: Final answer
    x = 800,926.48

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Double scale
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Similar ratio
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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.