Home / 816,900.48-1,127,312.64-459,204.48

Finding the Fourth Proportional to 816,900.48, 1,127,312.64 and 459,204.48

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Solution

The fourth proportional to 816,900.48, 1,127,312.64 and 459,204.48 is: 633,696.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,900.48 : 1,127,312.64 = 459,204.48 : x
  2. Step 2: Convert to fraction form
    816,900.48/1,127,312.64 = 459,204.48/x
  3. Step 3: Cross multiply
    816,900.48x = 1,127,312.64 × 459,204.48
  4. Step 4: Simplify right side
    816,900.48x = 517,667,014,648.63
  5. Step 5: Solve for x
    x = 517,667,014,648.63/816,900.48
  6. Step 6: Final answer
    x = 633,696.55

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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.