Home / 755,041.45-1,041,957.34-415,509.70

Finding the Fourth Proportional to 755,041.45, 1,041,957.34 and 415,509.70

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Solution

The fourth proportional to 755,041.45, 1,041,957.34 and 415,509.70 is: 573,403.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,041.45 : 1,041,957.34 = 415,509.70 : x
  2. Step 2: Convert to fraction form
    755,041.45/1,041,957.34 = 415,509.70/x
  3. Step 3: Cross multiply
    755,041.45x = 1,041,957.34 × 415,509.70
  4. Step 4: Simplify right side
    755,041.45x = 432,943,374,468.86
  5. Step 5: Solve for x
    x = 432,943,374,468.86/755,041.45
  6. Step 6: Final answer
    x = 573,403.46

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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.