Home / 683,384.95-943,065.60-373,287.79

Finding the Fourth Proportional to 683,384.95, 943,065.60 and 373,287.79

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Solution

The fourth proportional to 683,384.95, 943,065.60 and 373,287.79 is: 515,134.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,384.95 : 943,065.60 = 373,287.79 : x
  2. Step 2: Convert to fraction form
    683,384.95/943,065.60 = 373,287.79/x
  3. Step 3: Cross multiply
    683,384.95x = 943,065.60 × 373,287.79
  4. Step 4: Simplify right side
    683,384.95x = 352,034,868,933.70
  5. Step 5: Solve for x
    x = 352,034,868,933.70/683,384.95
  6. Step 6: Final answer
    x = 515,134.07

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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.