Home / 919,859.50-1,269,425.55-517,451.50

Finding the Fourth Proportional to 919,859.50, 1,269,425.55 and 517,451.50

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Solution

The fourth proportional to 919,859.50, 1,269,425.55 and 517,451.50 is: 714,094.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,859.50 : 1,269,425.55 = 517,451.50 : x
  2. Step 2: Convert to fraction form
    919,859.50/1,269,425.55 = 517,451.50/x
  3. Step 3: Cross multiply
    919,859.50x = 1,269,425.55 × 517,451.50
  4. Step 4: Simplify right side
    919,859.50x = 656,866,154,985.83
  5. Step 5: Solve for x
    x = 656,866,154,985.83/919,859.50
  6. Step 6: Final answer
    x = 714,094.01

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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.