Home / 404,526.47-558,259.93-220,775.09

Finding the Fourth Proportional to 404,526.47, 558,259.93 and 220,775.09

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Solution

The fourth proportional to 404,526.47, 558,259.93 and 220,775.09 is: 304,676.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,526.47 : 558,259.93 = 220,775.09 : x
  2. Step 2: Convert to fraction form
    404,526.47/558,259.93 = 220,775.09/x
  3. Step 3: Cross multiply
    404,526.47x = 558,259.93 × 220,775.09
  4. Step 4: Simplify right side
    404,526.47x = 123,249,887,132.86
  5. Step 5: Solve for x
    x = 123,249,887,132.86/404,526.47
  6. Step 6: Final answer
    x = 304,676.94

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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.