Home / 1,142,603.45-1,714,129.35-422,951.43

Finding the Fourth Proportional to 1,142,603.45, 1,714,129.35 and 422,951.43

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Solution

The fourth proportional to 1,142,603.45, 1,714,129.35 and 422,951.43 is: 634,510.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,603.45 : 1,714,129.35 = 422,951.43 : x
  2. Step 2: Convert to fraction form
    1,142,603.45/1,714,129.35 = 422,951.43/x
  3. Step 3: Cross multiply
    1,142,603.45x = 1,714,129.35 × 422,951.43
  4. Step 4: Simplify right side
    1,142,603.45x = 724,993,459,787.47
  5. Step 5: Solve for x
    x = 724,993,459,787.47/1,142,603.45
  6. Step 6: Final answer
    x = 634,510.13

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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.