Home / 742,083.71-1,024,075.85-419,786.96

Finding the Fourth Proportional to 742,083.71, 1,024,075.85 and 419,786.96

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Solution

The fourth proportional to 742,083.71, 1,024,075.85 and 419,786.96 is: 579,306.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,083.71 : 1,024,075.85 = 419,786.96 : x
  2. Step 2: Convert to fraction form
    742,083.71/1,024,075.85 = 419,786.96/x
  3. Step 3: Cross multiply
    742,083.71x = 1,024,075.85 × 419,786.96
  4. Step 4: Simplify right side
    742,083.71x = 429,893,680,661.60
  5. Step 5: Solve for x
    x = 429,893,680,661.60/742,083.71
  6. Step 6: Final answer
    x = 579,306.19

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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.