Home / 679,152.96-936,840.66-424,061.28

Finding the Fourth Proportional to 679,152.96, 936,840.66 and 424,061.28

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Solution

The fourth proportional to 679,152.96, 936,840.66 and 424,061.28 is: 584,960.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,152.96 : 936,840.66 = 424,061.28 : x
  2. Step 2: Convert to fraction form
    679,152.96/936,840.66 = 424,061.28/x
  3. Step 3: Cross multiply
    679,152.96x = 936,840.66 × 424,061.28
  4. Step 4: Simplify right side
    679,152.96x = 397,277,849,435.65
  5. Step 5: Solve for x
    x = 397,277,849,435.65/679,152.96
  6. Step 6: Final answer
    x = 584,960.79

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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.