Home / 803,178.41-1,108,394.78-440,602.97

Finding the Fourth Proportional to 803,178.41, 1,108,394.78 and 440,602.97

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Solution

The fourth proportional to 803,178.41, 1,108,394.78 and 440,602.97 is: 608,036.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,178.41 : 1,108,394.78 = 440,602.97 : x
  2. Step 2: Convert to fraction form
    803,178.41/1,108,394.78 = 440,602.97/x
  3. Step 3: Cross multiply
    803,178.41x = 1,108,394.78 × 440,602.97
  4. Step 4: Simplify right side
    803,178.41x = 488,362,024,255.51
  5. Step 5: Solve for x
    x = 488,362,024,255.51/803,178.41
  6. Step 6: Final answer
    x = 608,036.80

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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.