Home / 838,560.42-1,157,216.16-456,589.50

Finding the Fourth Proportional to 838,560.42, 1,157,216.16 and 456,589.50

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Solution

The fourth proportional to 838,560.42, 1,157,216.16 and 456,589.50 is: 630,095.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,560.42 : 1,157,216.16 = 456,589.50 : x
  2. Step 2: Convert to fraction form
    838,560.42/1,157,216.16 = 456,589.50/x
  3. Step 3: Cross multiply
    838,560.42x = 1,157,216.16 × 456,589.50
  4. Step 4: Simplify right side
    838,560.42x = 528,372,747,886.32
  5. Step 5: Solve for x
    x = 528,372,747,886.32/838,560.42
  6. Step 6: Final answer
    x = 630,095.02

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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.