Home / 623,963.40-936,179.55-371,389.20

Finding the Fourth Proportional to 623,963.40, 936,179.55 and 371,389.20

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Solution

The fourth proportional to 623,963.40, 936,179.55 and 371,389.20 is: 557,223.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,963.40 : 936,179.55 = 371,389.20 : x
  2. Step 2: Convert to fraction form
    623,963.40/936,179.55 = 371,389.20/x
  3. Step 3: Cross multiply
    623,963.40x = 936,179.55 × 371,389.20
  4. Step 4: Simplify right side
    623,963.40x = 347,686,974,130.86
  5. Step 5: Solve for x
    x = 347,686,974,130.86/623,963.40
  6. Step 6: Final answer
    x = 557,223.35

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1.5x scale

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.