Home / 949,000.86-1,309,621.14-519,281.01

Finding the Fourth Proportional to 949,000.86, 1,309,621.14 and 519,281.01

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Solution

The fourth proportional to 949,000.86, 1,309,621.14 and 519,281.01 is: 716,607.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,000.86 : 1,309,621.14 = 519,281.01 : x
  2. Step 2: Convert to fraction form
    949,000.86/1,309,621.14 = 519,281.01/x
  3. Step 3: Cross multiply
    949,000.86x = 1,309,621.14 × 519,281.01
  4. Step 4: Simplify right side
    949,000.86x = 680,061,388,296.55
  5. Step 5: Solve for x
    x = 680,061,388,296.55/949,000.86
  6. Step 6: Final answer
    x = 716,607.77

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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.