Home / 838,145.88-1,156,607.13-475,561.94

Finding the Fourth Proportional to 838,145.88, 1,156,607.13 and 475,561.94

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Solution

The fourth proportional to 838,145.88, 1,156,607.13 and 475,561.94 is: 656,256.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,145.88 : 1,156,607.13 = 475,561.94 : x
  2. Step 2: Convert to fraction form
    838,145.88/1,156,607.13 = 475,561.94/x
  3. Step 3: Cross multiply
    838,145.88x = 1,156,607.13 × 475,561.94
  4. Step 4: Simplify right side
    838,145.88x = 550,038,325,628.90
  5. Step 5: Solve for x
    x = 550,038,325,628.90/838,145.88
  6. Step 6: Final answer
    x = 656,256.07

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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.