Home / 711,246.80-1,066,870.20-707,099.60

Finding the Fourth Proportional to 711,246.80, 1,066,870.20 and 707,099.60

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Solution

The fourth proportional to 711,246.80, 1,066,870.20 and 707,099.60 is: 1,060,649.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,246.80 : 1,066,870.20 = 707,099.60 : x
  2. Step 2: Convert to fraction form
    711,246.80/1,066,870.20 = 707,099.60/x
  3. Step 3: Cross multiply
    711,246.80x = 1,066,870.20 × 707,099.60
  4. Step 4: Simplify right side
    711,246.80x = 754,383,491,671.92
  5. Step 5: Solve for x
    x = 754,383,491,671.92/711,246.80
  6. Step 6: Final answer
    x = 1,060,649.40

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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.