Home / 521,205.37-719,263.70-291,763.10

Finding the Fourth Proportional to 521,205.37, 719,263.70 and 291,763.10

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Solution

The fourth proportional to 521,205.37, 719,263.70 and 291,763.10 is: 402,633.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,205.37 : 719,263.70 = 291,763.10 : x
  2. Step 2: Convert to fraction form
    521,205.37/719,263.70 = 291,763.10/x
  3. Step 3: Cross multiply
    521,205.37x = 719,263.70 × 291,763.10
  4. Step 4: Simplify right side
    521,205.37x = 209,854,607,251.46
  5. Step 5: Solve for x
    x = 209,854,607,251.46/521,205.37
  6. Step 6: Final answer
    x = 402,633.24

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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.