Home / 949,088.71-1,309,700.42-519,386.95

Finding the Fourth Proportional to 949,088.71, 1,309,700.42 and 519,386.95

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Solution

The fourth proportional to 949,088.71, 1,309,700.42 and 519,386.95 is: 716,731.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,088.71 : 1,309,700.42 = 519,386.95 : x
  2. Step 2: Convert to fraction form
    949,088.71/1,309,700.42 = 519,386.95/x
  3. Step 3: Cross multiply
    949,088.71x = 1,309,700.42 × 519,386.95
  4. Step 4: Simplify right side
    949,088.71x = 680,241,300,009.02
  5. Step 5: Solve for x
    x = 680,241,300,009.02/949,088.71
  6. Step 6: Final answer
    x = 716,731.00

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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.