Home / 816,036.96-1,226,122.08-516,658.32

Finding the Fourth Proportional to 816,036.96, 1,226,122.08 and 516,658.32

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Solution

The fourth proportional to 816,036.96, 1,226,122.08 and 516,658.32 is: 776,295.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,036.96 : 1,226,122.08 = 516,658.32 : x
  2. Step 2: Convert to fraction form
    816,036.96/1,226,122.08 = 516,658.32/x
  3. Step 3: Cross multiply
    816,036.96x = 1,226,122.08 × 516,658.32
  4. Step 4: Simplify right side
    816,036.96x = 633,486,173,967.71
  5. Step 5: Solve for x
    x = 633,486,173,967.71/816,036.96
  6. Step 6: Final answer
    x = 776,295.93

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Double scale
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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.