Home / 949,359.21-1,310,117.13-519,666.50

Finding the Fourth Proportional to 949,359.21, 1,310,117.13 and 519,666.50

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Solution

The fourth proportional to 949,359.21, 1,310,117.13 and 519,666.50 is: 717,140.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,359.21 : 1,310,117.13 = 519,666.50 : x
  2. Step 2: Convert to fraction form
    949,359.21/1,310,117.13 = 519,666.50/x
  3. Step 3: Cross multiply
    949,359.21x = 1,310,117.13 × 519,666.50
  4. Step 4: Simplify right side
    949,359.21x = 680,823,983,537.15
  5. Step 5: Solve for x
    x = 680,823,983,537.15/949,359.21
  6. Step 6: Final answer
    x = 717,140.55

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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.