Home / 747,018.03-1,030,872.69-424,721.19

Finding the Fourth Proportional to 747,018.03, 1,030,872.69 and 424,721.19

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Solution

The fourth proportional to 747,018.03, 1,030,872.69 and 424,721.19 is: 586,108.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,018.03 : 1,030,872.69 = 424,721.19 : x
  2. Step 2: Convert to fraction form
    747,018.03/1,030,872.69 = 424,721.19/x
  3. Step 3: Cross multiply
    747,018.03x = 1,030,872.69 × 424,721.19
  4. Step 4: Simplify right side
    747,018.03x = 437,833,475,635.30
  5. Step 5: Solve for x
    x = 437,833,475,635.30/747,018.03
  6. Step 6: Final answer
    x = 586,108.31

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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.