Home / 661,320.70-991,981.59-529,041.83

Finding the Fourth Proportional to 661,320.70, 991,981.59 and 529,041.83

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Solution

The fourth proportional to 661,320.70, 991,981.59 and 529,041.83 is: 793,563.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,320.70 : 991,981.59 = 529,041.83 : x
  2. Step 2: Convert to fraction form
    661,320.70/991,981.59 = 529,041.83/x
  3. Step 3: Cross multiply
    661,320.70x = 991,981.59 × 529,041.83
  4. Step 4: Simplify right side
    661,320.70x = 524,799,754,335.99
  5. Step 5: Solve for x
    x = 524,799,754,335.99/661,320.70
  6. Step 6: Final answer
    x = 793,563.17

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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.