Home / 683,385.95-943,066.98-373,288.79

Finding the Fourth Proportional to 683,385.95, 943,066.98 and 373,288.79

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Solution

The fourth proportional to 683,385.95, 943,066.98 and 373,288.79 is: 515,135.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,385.95 : 943,066.98 = 373,288.79 : x
  2. Step 2: Convert to fraction form
    683,385.95/943,066.98 = 373,288.79/x
  3. Step 3: Cross multiply
    683,385.95x = 943,066.98 × 373,288.79
  4. Step 4: Simplify right side
    683,385.95x = 352,036,327,137.82
  5. Step 5: Solve for x
    x = 352,036,327,137.82/683,385.95
  6. Step 6: Final answer
    x = 515,135.45

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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.