Home / 1,145,583.40-1,717,856.70-514,172.20

Finding the Fourth Proportional to 1,145,583.40, 1,717,856.70 and 514,172.20

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Solution

The fourth proportional to 1,145,583.40, 1,717,856.70 and 514,172.20 is: 771,025.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,583.40 : 1,717,856.70 = 514,172.20 : x
  2. Step 2: Convert to fraction form
    1,145,583.40/1,717,856.70 = 514,172.20/x
  3. Step 3: Cross multiply
    1,145,583.40x = 1,717,856.70 × 514,172.20
  4. Step 4: Simplify right side
    1,145,583.40x = 883,274,158,723.74
  5. Step 5: Solve for x
    x = 883,274,158,723.74/1,145,583.40
  6. Step 6: Final answer
    x = 771,025.63

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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.