Home / 758,983.50-1,047,383.19-419,444.46

Finding the Fourth Proportional to 758,983.50, 1,047,383.19 and 419,444.46

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Solution

The fourth proportional to 758,983.50, 1,047,383.19 and 419,444.46 is: 578,825.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,983.50 : 1,047,383.19 = 419,444.46 : x
  2. Step 2: Convert to fraction form
    758,983.50/1,047,383.19 = 419,444.46/x
  3. Step 3: Cross multiply
    758,983.50x = 1,047,383.19 × 419,444.46
  4. Step 4: Simplify right side
    758,983.50x = 439,319,076,542.63
  5. Step 5: Solve for x
    x = 439,319,076,542.63/758,983.50
  6. Step 6: Final answer
    x = 578,825.60

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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.