Home / 838,377.23-1,156,960.26-456,403.91

Finding the Fourth Proportional to 838,377.23, 1,156,960.26 and 456,403.91

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Solution

The fourth proportional to 838,377.23, 1,156,960.26 and 456,403.91 is: 629,837.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,377.23 : 1,156,960.26 = 456,403.91 : x
  2. Step 2: Convert to fraction form
    838,377.23/1,156,960.26 = 456,403.91/x
  3. Step 3: Cross multiply
    838,377.23x = 1,156,960.26 × 456,403.91
  4. Step 4: Simplify right side
    838,377.23x = 528,041,180,593.82
  5. Step 5: Solve for x
    x = 528,041,180,593.82/838,377.23
  6. Step 6: Final answer
    x = 629,837.22

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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.