Home / 1,123,696.80-1,685,501.28-619,258.08

Finding the Fourth Proportional to 1,123,696.80, 1,685,501.28 and 619,258.08

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Solution

The fourth proportional to 1,123,696.80, 1,685,501.28 and 619,258.08 is: 928,862.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,696.80 : 1,685,501.28 = 619,258.08 : x
  2. Step 2: Convert to fraction form
    1,123,696.80/1,685,501.28 = 619,258.08/x
  3. Step 3: Cross multiply
    1,123,696.80x = 1,685,501.28 × 619,258.08
  4. Step 4: Simplify right side
    1,123,696.80x = 1,043,760,286,490.34
  5. Step 5: Solve for x
    x = 1,043,760,286,490.34/1,123,696.80
  6. Step 6: Final answer
    x = 928,862.92

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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.