Home / 694,244.02-958,145.50-388,337.40

Finding the Fourth Proportional to 694,244.02, 958,145.50 and 388,337.40

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Solution

The fourth proportional to 694,244.02, 958,145.50 and 388,337.40 is: 535,955.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,244.02 : 958,145.50 = 388,337.40 : x
  2. Step 2: Convert to fraction form
    694,244.02/958,145.50 = 388,337.40/x
  3. Step 3: Cross multiply
    694,244.02x = 958,145.50 × 388,337.40
  4. Step 4: Simplify right side
    694,244.02x = 372,083,732,291.70
  5. Step 5: Solve for x
    x = 372,083,732,291.70/694,244.02
  6. Step 6: Final answer
    x = 535,955.26

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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.