Home / 1,689,931.77-2,534,861.70-410,545.26

Finding the Fourth Proportional to 1,689,931.77, 2,534,861.70 and 410,545.26

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Solution

The fourth proportional to 1,689,931.77, 2,534,861.70 and 410,545.26 is: 615,809.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,931.77 : 2,534,861.70 = 410,545.26 : x
  2. Step 2: Convert to fraction form
    1,689,931.77/2,534,861.70 = 410,545.26/x
  3. Step 3: Cross multiply
    1,689,931.77x = 2,534,861.70 × 410,545.26
  4. Step 4: Simplify right side
    1,689,931.77x = 1,040,675,455,690.54
  5. Step 5: Solve for x
    x = 1,040,675,455,690.54/1,689,931.77
  6. Step 6: Final answer
    x = 615,809.16

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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.