Home / 836,239.68-1,154,178.81-496,642.32

Finding the Fourth Proportional to 836,239.68, 1,154,178.81 and 496,642.32

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Solution

The fourth proportional to 836,239.68, 1,154,178.81 and 496,642.32 is: 685,466.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,239.68 : 1,154,178.81 = 496,642.32 : x
  2. Step 2: Convert to fraction form
    836,239.68/1,154,178.81 = 496,642.32/x
  3. Step 3: Cross multiply
    836,239.68x = 1,154,178.81 × 496,642.32
  4. Step 4: Simplify right side
    836,239.68x = 573,214,041,893.24
  5. Step 5: Solve for x
    x = 573,214,041,893.24/836,239.68
  6. Step 6: Final answer
    x = 685,466.21

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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.