Home / 972,338.10-1,458,507.07-262,366.12

Finding the Fourth Proportional to 972,338.10, 1,458,507.07 and 262,366.12

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Solution

The fourth proportional to 972,338.10, 1,458,507.07 and 262,366.12 is: 393,549.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,338.10 : 1,458,507.07 = 262,366.12 : x
  2. Step 2: Convert to fraction form
    972,338.10/1,458,507.07 = 262,366.12/x
  3. Step 3: Cross multiply
    972,338.10x = 1,458,507.07 × 262,366.12
  4. Step 4: Simplify right side
    972,338.10x = 382,662,840,948.47
  5. Step 5: Solve for x
    x = 382,662,840,948.47/972,338.10
  6. Step 6: Final answer
    x = 393,549.16

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.