Home / 930,851.84-1,395,113.78-397,748.72

Finding the Fourth Proportional to 930,851.84, 1,395,113.78 and 397,748.72

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Solution

The fourth proportional to 930,851.84, 1,395,113.78 and 397,748.72 is: 596,125.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,851.84 : 1,395,113.78 = 397,748.72 : x
  2. Step 2: Convert to fraction form
    930,851.84/1,395,113.78 = 397,748.72/x
  3. Step 3: Cross multiply
    930,851.84x = 1,395,113.78 × 397,748.72
  4. Step 4: Simplify right side
    930,851.84x = 554,904,720,249.36
  5. Step 5: Solve for x
    x = 554,904,720,249.36/930,851.84
  6. Step 6: Final answer
    x = 596,125.72

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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.