Home / 849,421.99-1,172,202.52-467,448.77

Finding the Fourth Proportional to 849,421.99, 1,172,202.52 and 467,448.77

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Solution

The fourth proportional to 849,421.99, 1,172,202.52 and 467,448.77 is: 645,079.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,421.99 : 1,172,202.52 = 467,448.77 : x
  2. Step 2: Convert to fraction form
    849,421.99/1,172,202.52 = 467,448.77/x
  3. Step 3: Cross multiply
    849,421.99x = 1,172,202.52 × 467,448.77
  4. Step 4: Simplify right side
    849,421.99x = 547,944,626,164.90
  5. Step 5: Solve for x
    x = 547,944,626,164.90/849,421.99
  6. Step 6: Final answer
    x = 645,079.40

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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.