Home / 849,678.12-1,172,667.78-510,168.24

Finding the Fourth Proportional to 849,678.12, 1,172,667.78 and 510,168.24

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Solution

The fourth proportional to 849,678.12, 1,172,667.78 and 510,168.24 is: 704,099.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,678.12 : 1,172,667.78 = 510,168.24 : x
  2. Step 2: Convert to fraction form
    849,678.12/1,172,667.78 = 510,168.24/x
  3. Step 3: Cross multiply
    849,678.12x = 1,172,667.78 × 510,168.24
  4. Step 4: Simplify right side
    849,678.12x = 598,257,857,427.31
  5. Step 5: Solve for x
    x = 598,257,857,427.31/849,678.12
  6. Step 6: Final answer
    x = 704,099.40

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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.