Home / 1,217,705.54-1,679,323.22-1,045,569.50

Finding the Fourth Proportional to 1,217,705.54, 1,679,323.22 and 1,045,569.50

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Solution

The fourth proportional to 1,217,705.54, 1,679,323.22 and 1,045,569.50 is: 1,441,932.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,705.54 : 1,679,323.22 = 1,045,569.50 : x
  2. Step 2: Convert to fraction form
    1,217,705.54/1,679,323.22 = 1,045,569.50/x
  3. Step 3: Cross multiply
    1,217,705.54x = 1,679,323.22 × 1,045,569.50
  4. Step 4: Simplify right side
    1,217,705.54x = 1,755,849,139,473.79
  5. Step 5: Solve for x
    x = 1,755,849,139,473.79/1,217,705.54
  6. Step 6: Final answer
    x = 1,441,932.46

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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.