Home / 949,162.95-1,309,827.36-519,434.46

Finding the Fourth Proportional to 949,162.95, 1,309,827.36 and 519,434.46

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Solution

The fourth proportional to 949,162.95, 1,309,827.36 and 519,434.46 is: 716,809.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,162.95 : 1,309,827.36 = 519,434.46 : x
  2. Step 2: Convert to fraction form
    949,162.95/1,309,827.36 = 519,434.46/x
  3. Step 3: Cross multiply
    949,162.95x = 1,309,827.36 × 519,434.46
  4. Step 4: Simplify right side
    949,162.95x = 680,369,467,434.83
  5. Step 5: Solve for x
    x = 680,369,467,434.83/949,162.95
  6. Step 6: Final answer
    x = 716,809.97

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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.