Home / 889,618.20-1,334,600.10-384,178.20

Finding the Fourth Proportional to 889,618.20, 1,334,600.10 and 384,178.20

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Solution

The fourth proportional to 889,618.20, 1,334,600.10 and 384,178.20 is: 576,341.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,618.20 : 1,334,600.10 = 384,178.20 : x
  2. Step 2: Convert to fraction form
    889,618.20/1,334,600.10 = 384,178.20/x
  3. Step 3: Cross multiply
    889,618.20x = 1,334,600.10 × 384,178.20
  4. Step 4: Simplify right side
    889,618.20x = 512,724,264,137.82
  5. Step 5: Solve for x
    x = 512,724,264,137.82/889,618.20
  6. Step 6: Final answer
    x = 576,341.92

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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.