Home / 1,054,806.81-1,455,640.38-571,371.95

Finding the Fourth Proportional to 1,054,806.81, 1,455,640.38 and 571,371.95

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Solution

The fourth proportional to 1,054,806.81, 1,455,640.38 and 571,371.95 is: 788,497.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,806.81 : 1,455,640.38 = 571,371.95 : x
  2. Step 2: Convert to fraction form
    1,054,806.81/1,455,640.38 = 571,371.95/x
  3. Step 3: Cross multiply
    1,054,806.81x = 1,455,640.38 × 571,371.95
  4. Step 4: Simplify right side
    1,054,806.81x = 831,712,077,258.34
  5. Step 5: Solve for x
    x = 831,712,077,258.34/1,054,806.81
  6. Step 6: Final answer
    x = 788,497.07

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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.