Home / 838,955.12-1,157,758.56-456,983.60

Finding the Fourth Proportional to 838,955.12, 1,157,758.56 and 456,983.60

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Solution

The fourth proportional to 838,955.12, 1,157,758.56 and 456,983.60 is: 630,637.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,955.12 : 1,157,758.56 = 456,983.60 : x
  2. Step 2: Convert to fraction form
    838,955.12/1,157,758.56 = 456,983.60/x
  3. Step 3: Cross multiply
    838,955.12x = 1,157,758.56 × 456,983.60
  4. Step 4: Simplify right side
    838,955.12x = 529,076,674,679.62
  5. Step 5: Solve for x
    x = 529,076,674,679.62/838,955.12
  6. Step 6: Final answer
    x = 630,637.64

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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.