Home / 840,236.34-1,159,625.79-477,714.90

Finding the Fourth Proportional to 840,236.34, 1,159,625.79 and 477,714.90

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Solution

The fourth proportional to 840,236.34, 1,159,625.79 and 477,714.90 is: 659,303.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,236.34 : 1,159,625.79 = 477,714.90 : x
  2. Step 2: Convert to fraction form
    840,236.34/1,159,625.79 = 477,714.90/x
  3. Step 3: Cross multiply
    840,236.34x = 1,159,625.79 × 477,714.90
  4. Step 4: Simplify right side
    840,236.34x = 553,970,518,307.27
  5. Step 5: Solve for x
    x = 553,970,518,307.27/840,236.34
  6. Step 6: Final answer
    x = 659,303.21

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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.