Home / 1,019,551.14-1,529,227.88-309,585.42

Finding the Fourth Proportional to 1,019,551.14, 1,529,227.88 and 309,585.42

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Solution

The fourth proportional to 1,019,551.14, 1,529,227.88 and 309,585.42 is: 464,348.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,551.14 : 1,529,227.88 = 309,585.42 : x
  2. Step 2: Convert to fraction form
    1,019,551.14/1,529,227.88 = 309,585.42/x
  3. Step 3: Cross multiply
    1,019,551.14x = 1,529,227.88 × 309,585.42
  4. Step 4: Simplify right side
    1,019,551.14x = 473,426,655,505.51
  5. Step 5: Solve for x
    x = 473,426,655,505.51/1,019,551.14
  6. Step 6: Final answer
    x = 464,348.12

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Double scale
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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.