Home / 1,223,267.60-1,688,099.31-671,992.53

Finding the Fourth Proportional to 1,223,267.60, 1,688,099.31 and 671,992.53

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Solution

The fourth proportional to 1,223,267.60, 1,688,099.31 and 671,992.53 is: 927,344.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,267.60 : 1,688,099.31 = 671,992.53 : x
  2. Step 2: Convert to fraction form
    1,223,267.60/1,688,099.31 = 671,992.53/x
  3. Step 3: Cross multiply
    1,223,267.60x = 1,688,099.31 × 671,992.53
  4. Step 4: Simplify right side
    1,223,267.60x = 1,134,390,126,218.15
  5. Step 5: Solve for x
    x = 1,134,390,126,218.15/1,223,267.60
  6. Step 6: Final answer
    x = 927,344.21

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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.