Home / 949,073.07-1,309,720.95-519,353.29

Finding the Fourth Proportional to 949,073.07, 1,309,720.95 and 519,353.29

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Solution

The fourth proportional to 949,073.07, 1,309,720.95 and 519,353.29 is: 716,707.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,073.07 : 1,309,720.95 = 519,353.29 : x
  2. Step 2: Convert to fraction form
    949,073.07/1,309,720.95 = 519,353.29/x
  3. Step 3: Cross multiply
    949,073.07x = 1,309,720.95 × 519,353.29
  4. Step 4: Simplify right side
    949,073.07x = 680,207,875,219.05
  5. Step 5: Solve for x
    x = 680,207,875,219.05/949,073.07
  6. Step 6: Final answer
    x = 716,707.59

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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.