Home / 1,124,702.40-1,684,934.78-555,417.12

Finding the Fourth Proportional to 1,124,702.40, 1,684,934.78 and 555,417.12

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Solution

The fourth proportional to 1,124,702.40, 1,684,934.78 and 555,417.12 is: 832,079.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,702.40 : 1,684,934.78 = 555,417.12 : x
  2. Step 2: Convert to fraction form
    1,124,702.40/1,684,934.78 = 555,417.12/x
  3. Step 3: Cross multiply
    1,124,702.40x = 1,684,934.78 × 555,417.12
  4. Step 4: Simplify right side
    1,124,702.40x = 935,841,620,118.35
  5. Step 5: Solve for x
    x = 935,841,620,118.35/1,124,702.40
  6. Step 6: Final answer
    x = 832,079.33

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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.