Home / 949,106.02-1,309,766.32-519,386.16

Finding the Fourth Proportional to 949,106.02, 1,309,766.32 and 519,386.16

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Solution

The fourth proportional to 949,106.02, 1,309,766.32 and 519,386.16 is: 716,752.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,106.02 : 1,309,766.32 = 519,386.16 : x
  2. Step 2: Convert to fraction form
    949,106.02/1,309,766.32 = 519,386.16/x
  3. Step 3: Cross multiply
    949,106.02x = 1,309,766.32 × 519,386.16
  4. Step 4: Simplify right side
    949,106.02x = 680,274,499,442.13
  5. Step 5: Solve for x
    x = 680,274,499,442.13/949,106.02
  6. Step 6: Final answer
    x = 716,752.91

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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.