Home / 816,913.48-1,127,330.58-459,217.48

Finding the Fourth Proportional to 816,913.48, 1,127,330.58 and 459,217.48

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Solution

The fourth proportional to 816,913.48, 1,127,330.58 and 459,217.48 is: 633,714.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,913.48 : 1,127,330.58 = 459,217.48 : x
  2. Step 2: Convert to fraction form
    816,913.48/1,127,330.58 = 459,217.48/x
  3. Step 3: Cross multiply
    816,913.48x = 1,127,330.58 × 459,217.48
  4. Step 4: Simplify right side
    816,913.48x = 517,689,908,074.54
  5. Step 5: Solve for x
    x = 517,689,908,074.54/816,913.48
  6. Step 6: Final answer
    x = 633,714.49

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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.