Home / 857,167.40-1,288,715.70-801,666.20

Finding the Fourth Proportional to 857,167.40, 1,288,715.70 and 801,666.20

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Solution

The fourth proportional to 857,167.40, 1,288,715.70 and 801,666.20 is: 1,205,271.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,167.40 : 1,288,715.70 = 801,666.20 : x
  2. Step 2: Convert to fraction form
    857,167.40/1,288,715.70 = 801,666.20/x
  3. Step 3: Cross multiply
    857,167.40x = 1,288,715.70 × 801,666.20
  4. Step 4: Simplify right side
    857,167.40x = 1,033,119,818,099.34
  5. Step 5: Solve for x
    x = 1,033,119,818,099.34/857,167.40
  6. Step 6: Final answer
    x = 1,205,271.94

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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.