Home / 1,049,700.81-1,574,801.09-339,728.85

Finding the Fourth Proportional to 1,049,700.81, 1,574,801.09 and 339,728.85

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Solution

The fourth proportional to 1,049,700.81, 1,574,801.09 and 339,728.85 is: 509,674.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,700.81 : 1,574,801.09 = 339,728.85 : x
  2. Step 2: Convert to fraction form
    1,049,700.81/1,574,801.09 = 339,728.85/x
  3. Step 3: Cross multiply
    1,049,700.81x = 1,574,801.09 × 339,728.85
  4. Step 4: Simplify right side
    1,049,700.81x = 535,005,361,585.80
  5. Step 5: Solve for x
    x = 535,005,361,585.80/1,049,700.81
  6. Step 6: Final answer
    x = 509,674.14

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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.