Home / 861,606.16-1,290,984.28-523,620.35

Finding the Fourth Proportional to 861,606.16, 1,290,984.28 and 523,620.35

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Solution

The fourth proportional to 861,606.16, 1,290,984.28 and 523,620.35 is: 784,564.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,606.16 : 1,290,984.28 = 523,620.35 : x
  2. Step 2: Convert to fraction form
    861,606.16/1,290,984.28 = 523,620.35/x
  3. Step 3: Cross multiply
    861,606.16x = 1,290,984.28 × 523,620.35
  4. Step 4: Simplify right side
    861,606.16x = 675,985,637,615.32
  5. Step 5: Solve for x
    x = 675,985,637,615.32/861,606.16
  6. Step 6: Final answer
    x = 784,564.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.