Home / 985,337.36-1,359,532.91-555,534.45

Finding the Fourth Proportional to 985,337.36, 1,359,532.91 and 555,534.45

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Solution

The fourth proportional to 985,337.36, 1,359,532.91 and 555,534.45 is: 766,506.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,337.36 : 1,359,532.91 = 555,534.45 : x
  2. Step 2: Convert to fraction form
    985,337.36/1,359,532.91 = 555,534.45/x
  3. Step 3: Cross multiply
    985,337.36x = 1,359,532.91 × 555,534.45
  4. Step 4: Simplify right side
    985,337.36x = 755,267,365,677.70
  5. Step 5: Solve for x
    x = 755,267,365,677.70/985,337.36
  6. Step 6: Final answer
    x = 766,506.37

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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.