Home / 683,371.95-942,972.38-377,430.12

Finding the Fourth Proportional to 683,371.95, 942,972.38 and 377,430.12

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Solution

The fourth proportional to 683,371.95, 942,972.38 and 377,430.12 is: 520,808.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,371.95 : 942,972.38 = 377,430.12 : x
  2. Step 2: Convert to fraction form
    683,371.95/942,972.38 = 377,430.12/x
  3. Step 3: Cross multiply
    683,371.95x = 942,972.38 × 377,430.12
  4. Step 4: Simplify right side
    683,371.95x = 355,906,182,444.12
  5. Step 5: Solve for x
    x = 355,906,182,444.12/683,371.95
  6. Step 6: Final answer
    x = 520,808.89

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1.5x scale

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.