Home / 811,775.28-1,119,333.15-607,170.50

Finding the Fourth Proportional to 811,775.28, 1,119,333.15 and 607,170.50

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Solution

The fourth proportional to 811,775.28, 1,119,333.15 and 607,170.50 is: 837,209.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,775.28 : 1,119,333.15 = 607,170.50 : x
  2. Step 2: Convert to fraction form
    811,775.28/1,119,333.15 = 607,170.50/x
  3. Step 3: Cross multiply
    811,775.28x = 1,119,333.15 × 607,170.50
  4. Step 4: Simplify right side
    811,775.28x = 679,626,065,558.87
  5. Step 5: Solve for x
    x = 679,626,065,558.87/811,775.28
  6. Step 6: Final answer
    x = 837,209.61

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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.