Home / 825,696.54-1,139,370.10-463,045.76

Finding the Fourth Proportional to 825,696.54, 1,139,370.10 and 463,045.76

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Solution

The fourth proportional to 825,696.54, 1,139,370.10 and 463,045.76 is: 638,952.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,696.54 : 1,139,370.10 = 463,045.76 : x
  2. Step 2: Convert to fraction form
    825,696.54/1,139,370.10 = 463,045.76/x
  3. Step 3: Cross multiply
    825,696.54x = 1,139,370.10 × 463,045.76
  4. Step 4: Simplify right side
    825,696.54x = 527,580,493,875.78
  5. Step 5: Solve for x
    x = 527,580,493,875.78/825,696.54
  6. Step 6: Final answer
    x = 638,952.05

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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.