Home / 749,355.54-1,124,402.37-349,938.27

Finding the Fourth Proportional to 749,355.54, 1,124,402.37 and 349,938.27

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Solution

The fourth proportional to 749,355.54, 1,124,402.37 and 349,938.27 is: 525,079.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,355.54 : 1,124,402.37 = 349,938.27 : x
  2. Step 2: Convert to fraction form
    749,355.54/1,124,402.37 = 349,938.27/x
  3. Step 3: Cross multiply
    749,355.54x = 1,124,402.37 × 349,938.27
  4. Step 4: Simplify right side
    749,355.54x = 393,471,420,141.70
  5. Step 5: Solve for x
    x = 393,471,420,141.70/749,355.54
  6. Step 6: Final answer
    x = 525,079.75

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1.5x scale

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.