Home / 865,349.51-1,194,157.16-478,158.77

Finding the Fourth Proportional to 865,349.51, 1,194,157.16 and 478,158.77

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Solution

The fourth proportional to 865,349.51, 1,194,157.16 and 478,158.77 is: 659,845.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,349.51 : 1,194,157.16 = 478,158.77 : x
  2. Step 2: Convert to fraction form
    865,349.51/1,194,157.16 = 478,158.77/x
  3. Step 3: Cross multiply
    865,349.51x = 1,194,157.16 × 478,158.77
  4. Step 4: Simplify right side
    865,349.51x = 570,996,722,993.08
  5. Step 5: Solve for x
    x = 570,996,722,993.08/865,349.51
  6. Step 6: Final answer
    x = 659,845.21

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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.