Home / 755,031.84-1,041,944.12-415,500.09

Finding the Fourth Proportional to 755,031.84, 1,041,944.12 and 415,500.09

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Solution

The fourth proportional to 755,031.84, 1,041,944.12 and 415,500.09 is: 573,390.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,031.84 : 1,041,944.12 = 415,500.09 : x
  2. Step 2: Convert to fraction form
    755,031.84/1,041,944.12 = 415,500.09/x
  3. Step 3: Cross multiply
    755,031.84x = 1,041,944.12 × 415,500.09
  4. Step 4: Simplify right side
    755,031.84x = 432,927,875,634.97
  5. Step 5: Solve for x
    x = 432,927,875,634.97/755,031.84
  6. Step 6: Final answer
    x = 573,390.22

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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.