Home / 858,670.80-1,184,149.68-625,886.16

Finding the Fourth Proportional to 858,670.80, 1,184,149.68 and 625,886.16

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Solution

The fourth proportional to 858,670.80, 1,184,149.68 and 625,886.16 is: 863,128.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,670.80 : 1,184,149.68 = 625,886.16 : x
  2. Step 2: Convert to fraction form
    858,670.80/1,184,149.68 = 625,886.16/x
  3. Step 3: Cross multiply
    858,670.80x = 1,184,149.68 × 625,886.16
  4. Step 4: Simplify right side
    858,670.80x = 741,142,896,080.43
  5. Step 5: Solve for x
    x = 741,142,896,080.43/858,670.80
  6. Step 6: Final answer
    x = 863,128.10

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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.