Home / 858,520.32-1,184,762.62-536,417.22

Finding the Fourth Proportional to 858,520.32, 1,184,762.62 and 536,417.22

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Solution

The fourth proportional to 858,520.32, 1,184,762.62 and 536,417.22 is: 740,258.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,520.32 : 1,184,762.62 = 536,417.22 : x
  2. Step 2: Convert to fraction form
    858,520.32/1,184,762.62 = 536,417.22/x
  3. Step 3: Cross multiply
    858,520.32x = 1,184,762.62 × 536,417.22
  4. Step 4: Simplify right side
    858,520.32x = 635,527,070,980.32
  5. Step 5: Solve for x
    x = 635,527,070,980.32/858,520.32
  6. Step 6: Final answer
    x = 740,258.62

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Double scale
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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.