Home / 949,208.83-1,309,897.44-519,483.78

Finding the Fourth Proportional to 949,208.83, 1,309,897.44 and 519,483.78

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Solution

The fourth proportional to 949,208.83, 1,309,897.44 and 519,483.78 is: 716,881.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,208.83 : 1,309,897.44 = 519,483.78 : x
  2. Step 2: Convert to fraction form
    949,208.83/1,309,897.44 = 519,483.78/x
  3. Step 3: Cross multiply
    949,208.83x = 1,309,897.44 × 519,483.78
  4. Step 4: Simplify right side
    949,208.83x = 680,470,473,543.52
  5. Step 5: Solve for x
    x = 680,470,473,543.52/949,208.83
  6. Step 6: Final answer
    x = 716,881.74

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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.