Home / 1,236,129.78-1,854,482.22-383,156.18

Finding the Fourth Proportional to 1,236,129.78, 1,854,482.22 and 383,156.18

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Solution

The fourth proportional to 1,236,129.78, 1,854,482.22 and 383,156.18 is: 574,823.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,129.78 : 1,854,482.22 = 383,156.18 : x
  2. Step 2: Convert to fraction form
    1,236,129.78/1,854,482.22 = 383,156.18/x
  3. Step 3: Cross multiply
    1,236,129.78x = 1,854,482.22 × 383,156.18
  4. Step 4: Simplify right side
    1,236,129.78x = 710,556,323,293.12
  5. Step 5: Solve for x
    x = 710,556,323,293.12/1,236,129.78
  6. Step 6: Final answer
    x = 574,823.40

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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.