Home / 755,061.84-1,041,984.60-415,530.12

Finding the Fourth Proportional to 755,061.84, 1,041,984.60 and 415,530.12

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Solution

The fourth proportional to 755,061.84, 1,041,984.60 and 415,530.12 is: 573,431.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,061.84 : 1,041,984.60 = 415,530.12 : x
  2. Step 2: Convert to fraction form
    755,061.84/1,041,984.60 = 415,530.12/x
  3. Step 3: Cross multiply
    755,061.84x = 1,041,984.60 × 415,530.12
  4. Step 4: Simplify right side
    755,061.84x = 432,975,985,876.15
  5. Step 5: Solve for x
    x = 432,975,985,876.15/755,061.84
  6. Step 6: Final answer
    x = 573,431.16

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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.