Home / 838,923.48-1,157,732.19-456,949.35

Finding the Fourth Proportional to 838,923.48, 1,157,732.19 and 456,949.35

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Solution

The fourth proportional to 838,923.48, 1,157,732.19 and 456,949.35 is: 630,599.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,923.48 : 1,157,732.19 = 456,949.35 : x
  2. Step 2: Convert to fraction form
    838,923.48/1,157,732.19 = 456,949.35/x
  3. Step 3: Cross multiply
    838,923.48x = 1,157,732.19 × 456,949.35
  4. Step 4: Simplify right side
    838,923.48x = 529,024,971,694.58
  5. Step 5: Solve for x
    x = 529,024,971,694.58/838,923.48
  6. Step 6: Final answer
    x = 630,599.79

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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.