Home / 1,120,698.81-1,680,049.62-410,560.74

Finding the Fourth Proportional to 1,120,698.81, 1,680,049.62 and 410,560.74

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Solution

The fourth proportional to 1,120,698.81, 1,680,049.62 and 410,560.74 is: 615,475.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,698.81 : 1,680,049.62 = 410,560.74 : x
  2. Step 2: Convert to fraction form
    1,120,698.81/1,680,049.62 = 410,560.74/x
  3. Step 3: Cross multiply
    1,120,698.81x = 1,680,049.62 × 410,560.74
  4. Step 4: Simplify right side
    1,120,698.81x = 689,762,415,223.92
  5. Step 5: Solve for x
    x = 689,762,415,223.92/1,120,698.81
  6. Step 6: Final answer
    x = 615,475.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.