Home / 881,461.48-1,216,344.72-518,827.72

Finding the Fourth Proportional to 881,461.48, 1,216,344.72 and 518,827.72

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Solution

The fourth proportional to 881,461.48, 1,216,344.72 and 518,827.72 is: 715,939.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,461.48 : 1,216,344.72 = 518,827.72 : x
  2. Step 2: Convert to fraction form
    881,461.48/1,216,344.72 = 518,827.72/x
  3. Step 3: Cross multiply
    881,461.48x = 1,216,344.72 × 518,827.72
  4. Step 4: Simplify right side
    881,461.48x = 631,073,357,811.64
  5. Step 5: Solve for x
    x = 631,073,357,811.64/881,461.48
  6. Step 6: Final answer
    x = 715,939.80

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1.5x scale

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.