Home / 1,257,929.60-1,884,820.80-1,046,422.40

Finding the Fourth Proportional to 1,257,929.60, 1,884,820.80 and 1,046,422.40

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Solution

The fourth proportional to 1,257,929.60, 1,884,820.80 and 1,046,422.40 is: 1,567,908.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,929.60 : 1,884,820.80 = 1,046,422.40 : x
  2. Step 2: Convert to fraction form
    1,257,929.60/1,884,820.80 = 1,046,422.40/x
  3. Step 3: Cross multiply
    1,257,929.60x = 1,884,820.80 × 1,046,422.40
  4. Step 4: Simplify right side
    1,257,929.60x = 1,972,318,705,105.92
  5. Step 5: Solve for x
    x = 1,972,318,705,105.92/1,257,929.60
  6. Step 6: Final answer
    x = 1,567,908.65

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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.