Home / 489,934.04-734,614.95-190,064.19

Finding the Fourth Proportional to 489,934.04, 734,614.95 and 190,064.19

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Solution

The fourth proportional to 489,934.04, 734,614.95 and 190,064.19 is: 284,985.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,934.04 : 734,614.95 = 190,064.19 : x
  2. Step 2: Convert to fraction form
    489,934.04/734,614.95 = 190,064.19/x
  3. Step 3: Cross multiply
    489,934.04x = 734,614.95 × 190,064.19
  4. Step 4: Simplify right side
    489,934.04x = 139,623,995,433.64
  5. Step 5: Solve for x
    x = 139,623,995,433.64/489,934.04
  6. Step 6: Final answer
    x = 284,985.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.