Home / 872,066.93-1,306,605.60-692,705.59

Finding the Fourth Proportional to 872,066.93, 1,306,605.60 and 692,705.59

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Solution

The fourth proportional to 872,066.93, 1,306,605.60 and 692,705.59 is: 1,037,871.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,066.93 : 1,306,605.60 = 692,705.59 : x
  2. Step 2: Convert to fraction form
    872,066.93/1,306,605.60 = 692,705.59/x
  3. Step 3: Cross multiply
    872,066.93x = 1,306,605.60 × 692,705.59
  4. Step 4: Simplify right side
    872,066.93x = 905,092,999,778.79
  5. Step 5: Solve for x
    x = 905,092,999,778.79/872,066.93
  6. Step 6: Final answer
    x = 1,037,871.03

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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.