Home / 1,263,657.08-1,897,167.16-665,038.61

Finding the Fourth Proportional to 1,263,657.08, 1,897,167.16 and 665,038.61

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Solution

The fourth proportional to 1,263,657.08, 1,897,167.16 and 665,038.61 is: 998,442.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,657.08 : 1,897,167.16 = 665,038.61 : x
  2. Step 2: Convert to fraction form
    1,263,657.08/1,897,167.16 = 665,038.61/x
  3. Step 3: Cross multiply
    1,263,657.08x = 1,897,167.16 × 665,038.61
  4. Step 4: Simplify right side
    1,263,657.08x = 1,261,689,410,547.18
  5. Step 5: Solve for x
    x = 1,261,689,410,547.18/1,263,657.08
  6. Step 6: Final answer
    x = 998,442.88

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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.