Home / 840,184.64-1,159,408.56-477,558.08

Finding the Fourth Proportional to 840,184.64, 1,159,408.56 and 477,558.08

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Solution

The fourth proportional to 840,184.64, 1,159,408.56 and 477,558.08 is: 659,003.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,184.64 : 1,159,408.56 = 477,558.08 : x
  2. Step 2: Convert to fraction form
    840,184.64/1,159,408.56 = 477,558.08/x
  3. Step 3: Cross multiply
    840,184.64x = 1,159,408.56 × 477,558.08
  4. Step 4: Simplify right side
    840,184.64x = 553,684,925,849.17
  5. Step 5: Solve for x
    x = 553,684,925,849.17/840,184.64
  6. Step 6: Final answer
    x = 659,003.87

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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.