Home / 709,868.60-1,064,277.70-335,454.20

Finding the Fourth Proportional to 709,868.60, 1,064,277.70 and 335,454.20

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Solution

The fourth proportional to 709,868.60, 1,064,277.70 and 335,454.20 is: 502,933.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,868.60 : 1,064,277.70 = 335,454.20 : x
  2. Step 2: Convert to fraction form
    709,868.60/1,064,277.70 = 335,454.20/x
  3. Step 3: Cross multiply
    709,868.60x = 1,064,277.70 × 335,454.20
  4. Step 4: Simplify right side
    709,868.60x = 357,016,424,431.34
  5. Step 5: Solve for x
    x = 357,016,424,431.34/709,868.60
  6. Step 6: Final answer
    x = 502,933.11

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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.