Home / 849,412.42-1,172,189.40-467,439.22

Finding the Fourth Proportional to 849,412.42, 1,172,189.40 and 467,439.22

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Solution

The fourth proportional to 849,412.42, 1,172,189.40 and 467,439.22 is: 645,066.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,412.42 : 1,172,189.40 = 467,439.22 : x
  2. Step 2: Convert to fraction form
    849,412.42/1,172,189.40 = 467,439.22/x
  3. Step 3: Cross multiply
    849,412.42x = 1,172,189.40 × 467,439.22
  4. Step 4: Simplify right side
    849,412.42x = 547,927,298,828.27
  5. Step 5: Solve for x
    x = 547,927,298,828.27/849,412.42
  6. Step 6: Final answer
    x = 645,066.27

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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.