Home / 447,051.08-617,018.10-256,192.40

Finding the Fourth Proportional to 447,051.08, 617,018.10 and 256,192.40

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Solution

The fourth proportional to 447,051.08, 617,018.10 and 256,192.40 is: 353,595.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,051.08 : 617,018.10 = 256,192.40 : x
  2. Step 2: Convert to fraction form
    447,051.08/617,018.10 = 256,192.40/x
  3. Step 3: Cross multiply
    447,051.08x = 617,018.10 × 256,192.40
  4. Step 4: Simplify right side
    447,051.08x = 158,075,347,882.44
  5. Step 5: Solve for x
    x = 158,075,347,882.44/447,051.08
  6. Step 6: Final answer
    x = 353,595.72

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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.