Home / 898,938.11-1,240,538.82-491,045.60

Finding the Fourth Proportional to 898,938.11, 1,240,538.82 and 491,045.60

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Solution

The fourth proportional to 898,938.11, 1,240,538.82 and 491,045.60 is: 677,645.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,938.11 : 1,240,538.82 = 491,045.60 : x
  2. Step 2: Convert to fraction form
    898,938.11/1,240,538.82 = 491,045.60/x
  3. Step 3: Cross multiply
    898,938.11x = 1,240,538.82 × 491,045.60
  4. Step 4: Simplify right side
    898,938.11x = 609,161,129,190.19
  5. Step 5: Solve for x
    x = 609,161,129,190.19/898,938.11
  6. Step 6: Final answer
    x = 677,645.24

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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.