Home / 755,646.48-1,042,686-416,136.96

Finding the Fourth Proportional to 755,646.48, 1,042,686 and 416,136.96

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Solution

The fourth proportional to 755,646.48, 1,042,686 and 416,136.96 is: 574,210.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,646.48 : 1,042,686 = 416,136.96 : x
  2. Step 2: Convert to fraction form
    755,646.48/1,042,686 = 416,136.96/x
  3. Step 3: Cross multiply
    755,646.48x = 1,042,686 × 416,136.96
  4. Step 4: Simplify right side
    755,646.48x = 433,900,182,274.56
  5. Step 5: Solve for x
    x = 433,900,182,274.56/755,646.48
  6. Step 6: Final answer
    x = 574,210.55

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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.