Home / 838,654.24-1,157,303.28-456,679.84

Finding the Fourth Proportional to 838,654.24, 1,157,303.28 and 456,679.84

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Solution

The fourth proportional to 838,654.24, 1,157,303.28 and 456,679.84 is: 630,196.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,654.24 : 1,157,303.28 = 456,679.84 : x
  2. Step 2: Convert to fraction form
    838,654.24/1,157,303.28 = 456,679.84/x
  3. Step 3: Cross multiply
    838,654.24x = 1,157,303.28 × 456,679.84
  4. Step 4: Simplify right side
    838,654.24x = 528,517,076,741.88
  5. Step 5: Solve for x
    x = 528,517,076,741.88/838,654.24
  6. Step 6: Final answer
    x = 630,196.63

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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.