Home / 935,999.90-1,403,999.85-537,868.70

Finding the Fourth Proportional to 935,999.90, 1,403,999.85 and 537,868.70

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Solution

The fourth proportional to 935,999.90, 1,403,999.85 and 537,868.70 is: 806,803.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,999.90 : 1,403,999.85 = 537,868.70 : x
  2. Step 2: Convert to fraction form
    935,999.90/1,403,999.85 = 537,868.70/x
  3. Step 3: Cross multiply
    935,999.90x = 1,403,999.85 × 537,868.70
  4. Step 4: Simplify right side
    935,999.90x = 755,167,574,119.70
  5. Step 5: Solve for x
    x = 755,167,574,119.70/935,999.90
  6. Step 6: Final answer
    x = 806,803.05

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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.