Home / 1,589,420.56-2,193,411.78-864,263.08

Finding the Fourth Proportional to 1,589,420.56, 2,193,411.78 and 864,263.08

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Solution

The fourth proportional to 1,589,420.56, 2,193,411.78 and 864,263.08 is: 1,192,689.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,589,420.56 : 2,193,411.78 = 864,263.08 : x
  2. Step 2: Convert to fraction form
    1,589,420.56/2,193,411.78 = 864,263.08/x
  3. Step 3: Cross multiply
    1,589,420.56x = 2,193,411.78 × 864,263.08
  4. Step 4: Simplify right side
    1,589,420.56x = 1,895,684,805,402.71
  5. Step 5: Solve for x
    x = 1,895,684,805,402.71/1,589,420.56
  6. Step 6: Final answer
    x = 1,192,689.25

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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.