Home / 677,868.48-935,427.20-371,937.24

Finding the Fourth Proportional to 677,868.48, 935,427.20 and 371,937.24

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Solution

The fourth proportional to 677,868.48, 935,427.20 and 371,937.24 is: 513,256.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,868.48 : 935,427.20 = 371,937.24 : x
  2. Step 2: Convert to fraction form
    677,868.48/935,427.20 = 371,937.24/x
  3. Step 3: Cross multiply
    677,868.48x = 935,427.20 × 371,937.24
  4. Step 4: Simplify right side
    677,868.48x = 347,920,209,129.24
  5. Step 5: Solve for x
    x = 347,920,209,129.24/677,868.48
  6. Step 6: Final answer
    x = 513,256.21

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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.