Home / 840,460.23-1,159,890-477,917.91

Finding the Fourth Proportional to 840,460.23, 1,159,890 and 477,917.91

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Solution

The fourth proportional to 840,460.23, 1,159,890 and 477,917.91 is: 659,557.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,460.23 : 1,159,890 = 477,917.91 : x
  2. Step 2: Convert to fraction form
    840,460.23/1,159,890 = 477,917.91/x
  3. Step 3: Cross multiply
    840,460.23x = 1,159,890 × 477,917.91
  4. Step 4: Simplify right side
    840,460.23x = 554,332,204,629.90
  5. Step 5: Solve for x
    x = 554,332,204,629.90/840,460.23
  6. Step 6: Final answer
    x = 659,557.92

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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.