Home / 858,437.30-1,184,748.46-476,587.10

Finding the Fourth Proportional to 858,437.30, 1,184,748.46 and 476,587.10

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Solution

The fourth proportional to 858,437.30, 1,184,748.46 and 476,587.10 is: 657,748.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,437.30 : 1,184,748.46 = 476,587.10 : x
  2. Step 2: Convert to fraction form
    858,437.30/1,184,748.46 = 476,587.10/x
  3. Step 3: Cross multiply
    858,437.30x = 1,184,748.46 × 476,587.10
  4. Step 4: Simplify right side
    858,437.30x = 564,635,832,780.87
  5. Step 5: Solve for x
    x = 564,635,832,780.87/858,437.30
  6. Step 6: Final answer
    x = 657,748.48

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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.