Home / 818,796.52-1,130,182.50-517,191.40

Finding the Fourth Proportional to 818,796.52, 1,130,182.50 and 517,191.40

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Solution

The fourth proportional to 818,796.52, 1,130,182.50 and 517,191.40 is: 713,877.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,796.52 : 1,130,182.50 = 517,191.40 : x
  2. Step 2: Convert to fraction form
    818,796.52/1,130,182.50 = 517,191.40/x
  3. Step 3: Cross multiply
    818,796.52x = 1,130,182.50 × 517,191.40
  4. Step 4: Simplify right side
    818,796.52x = 584,520,669,430.50
  5. Step 5: Solve for x
    x = 584,520,669,430.50/818,796.52
  6. Step 6: Final answer
    x = 713,877.81

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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.