Home / 621,047.10-931,570.65-516,071.10

Finding the Fourth Proportional to 621,047.10, 931,570.65 and 516,071.10

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Solution

The fourth proportional to 621,047.10, 931,570.65 and 516,071.10 is: 774,106.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,047.10 : 931,570.65 = 516,071.10 : x
  2. Step 2: Convert to fraction form
    621,047.10/931,570.65 = 516,071.10/x
  3. Step 3: Cross multiply
    621,047.10x = 931,570.65 × 516,071.10
  4. Step 4: Simplify right side
    621,047.10x = 480,756,690,073.22
  5. Step 5: Solve for x
    x = 480,756,690,073.22/621,047.10
  6. Step 6: Final answer
    x = 774,106.65

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Similar ratio
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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.