Home / 858,460.23-1,184,730.57-495,899.37

Finding the Fourth Proportional to 858,460.23, 1,184,730.57 and 495,899.37

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Solution

The fourth proportional to 858,460.23, 1,184,730.57 and 495,899.37 is: 684,373.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,460.23 : 1,184,730.57 = 495,899.37 : x
  2. Step 2: Convert to fraction form
    858,460.23/1,184,730.57 = 495,899.37/x
  3. Step 3: Cross multiply
    858,460.23x = 1,184,730.57 × 495,899.37
  4. Step 4: Simplify right side
    858,460.23x = 587,507,143,282.74
  5. Step 5: Solve for x
    x = 587,507,143,282.74/858,460.23
  6. Step 6: Final answer
    x = 684,373.16

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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.