Home / 1,152,184.29-1,589,570.85-721,715.01

Finding the Fourth Proportional to 1,152,184.29, 1,589,570.85 and 721,715.01

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Solution

The fourth proportional to 1,152,184.29, 1,589,570.85 and 721,715.01 is: 995,688.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,184.29 : 1,589,570.85 = 721,715.01 : x
  2. Step 2: Convert to fraction form
    1,152,184.29/1,589,570.85 = 721,715.01/x
  3. Step 3: Cross multiply
    1,152,184.29x = 1,589,570.85 × 721,715.01
  4. Step 4: Simplify right side
    1,152,184.29x = 1,147,217,141,903.46
  5. Step 5: Solve for x
    x = 1,147,217,141,903.46/1,152,184.29
  6. Step 6: Final answer
    x = 995,688.93

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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.