Home / 873,806.30-1,205,775.81-486,592.46

Finding the Fourth Proportional to 873,806.30, 1,205,775.81 and 486,592.46

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Solution

The fourth proportional to 873,806.30, 1,205,775.81 and 486,592.46 is: 671,454.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,806.30 : 1,205,775.81 = 486,592.46 : x
  2. Step 2: Convert to fraction form
    873,806.30/1,205,775.81 = 486,592.46/x
  3. Step 3: Cross multiply
    873,806.30x = 1,205,775.81 × 486,592.46
  4. Step 4: Simplify right side
    873,806.30x = 586,721,411,567.51
  5. Step 5: Solve for x
    x = 586,721,411,567.51/873,806.30
  6. Step 6: Final answer
    x = 671,454.78

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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.