Home / 838,075.50-1,156,342.50-493,925.13

Finding the Fourth Proportional to 838,075.50, 1,156,342.50 and 493,925.13

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Solution

The fourth proportional to 838,075.50, 1,156,342.50 and 493,925.13 is: 681,497.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,075.50 : 1,156,342.50 = 493,925.13 : x
  2. Step 2: Convert to fraction form
    838,075.50/1,156,342.50 = 493,925.13/x
  3. Step 3: Cross multiply
    838,075.50x = 1,156,342.50 × 493,925.13
  4. Step 4: Simplify right side
    838,075.50x = 571,146,619,637.03
  5. Step 5: Solve for x
    x = 571,146,619,637.03/838,075.50
  6. Step 6: Final answer
    x = 681,497.81

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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.