Home / 898,010.30-1,347,015.45-661,814.30

Finding the Fourth Proportional to 898,010.30, 1,347,015.45 and 661,814.30

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Solution

The fourth proportional to 898,010.30, 1,347,015.45 and 661,814.30 is: 992,721.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,010.30 : 1,347,015.45 = 661,814.30 : x
  2. Step 2: Convert to fraction form
    898,010.30/1,347,015.45 = 661,814.30/x
  3. Step 3: Cross multiply
    898,010.30x = 1,347,015.45 × 661,814.30
  4. Step 4: Simplify right side
    898,010.30x = 891,474,087,130.94
  5. Step 5: Solve for x
    x = 891,474,087,130.94/898,010.30
  6. Step 6: Final answer
    x = 992,721.45

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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.