Home / 839,903.28-1,158,702.12-533,815.92

Finding the Fourth Proportional to 839,903.28, 1,158,702.12 and 533,815.92

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Solution

The fourth proportional to 839,903.28, 1,158,702.12 and 533,815.92 is: 736,434.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,903.28 : 1,158,702.12 = 533,815.92 : x
  2. Step 2: Convert to fraction form
    839,903.28/1,158,702.12 = 533,815.92/x
  3. Step 3: Cross multiply
    839,903.28x = 1,158,702.12 × 533,815.92
  4. Step 4: Simplify right side
    839,903.28x = 618,533,638,193.75
  5. Step 5: Solve for x
    x = 618,533,638,193.75/839,903.28
  6. Step 6: Final answer
    x = 736,434.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.