Home / 836,837.58-1,255,423.41-437,658.06

Finding the Fourth Proportional to 836,837.58, 1,255,423.41 and 437,658.06

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Solution

The fourth proportional to 836,837.58, 1,255,423.41 and 437,658.06 is: 656,574.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,837.58 : 1,255,423.41 = 437,658.06 : x
  2. Step 2: Convert to fraction form
    836,837.58/1,255,423.41 = 437,658.06/x
  3. Step 3: Cross multiply
    836,837.58x = 1,255,423.41 × 437,658.06
  4. Step 4: Simplify right side
    836,837.58x = 549,446,174,099.19
  5. Step 5: Solve for x
    x = 549,446,174,099.19/836,837.58
  6. Step 6: Final answer
    x = 656,574.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.