Home / 919,854.54-1,269,376.85-506,387.95

Finding the Fourth Proportional to 919,854.54, 1,269,376.85 and 506,387.95

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Solution

The fourth proportional to 919,854.54, 1,269,376.85 and 506,387.95 is: 698,803.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,854.54 : 1,269,376.85 = 506,387.95 : x
  2. Step 2: Convert to fraction form
    919,854.54/1,269,376.85 = 506,387.95/x
  3. Step 3: Cross multiply
    919,854.54x = 1,269,376.85 × 506,387.95
  4. Step 4: Simplify right side
    919,854.54x = 642,797,140,848.96
  5. Step 5: Solve for x
    x = 642,797,140,848.96/919,854.54
  6. Step 6: Final answer
    x = 698,803.03

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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.