Home / 755,480.12-1,042,530.98-415,926.50

Finding the Fourth Proportional to 755,480.12, 1,042,530.98 and 415,926.50

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Solution

The fourth proportional to 755,480.12, 1,042,530.98 and 415,926.50 is: 573,961.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,480.12 : 1,042,530.98 = 415,926.50 : x
  2. Step 2: Convert to fraction form
    755,480.12/1,042,530.98 = 415,926.50/x
  3. Step 3: Cross multiply
    755,480.12x = 1,042,530.98 × 415,926.50
  4. Step 4: Simplify right side
    755,480.12x = 433,616,254,360.68
  5. Step 5: Solve for x
    x = 433,616,254,360.68/755,480.12
  6. Step 6: Final answer
    x = 573,961.17

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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.