Home / 875,838.06-1,208,640.40-493,865.14

Finding the Fourth Proportional to 875,838.06, 1,208,640.40 and 493,865.14

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Solution

The fourth proportional to 875,838.06, 1,208,640.40 and 493,865.14 is: 681,524.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,838.06 : 1,208,640.40 = 493,865.14 : x
  2. Step 2: Convert to fraction form
    875,838.06/1,208,640.40 = 493,865.14/x
  3. Step 3: Cross multiply
    875,838.06x = 1,208,640.40 × 493,865.14
  4. Step 4: Simplify right side
    875,838.06x = 596,905,360,355.66
  5. Step 5: Solve for x
    x = 596,905,360,355.66/875,838.06
  6. Step 6: Final answer
    x = 681,524.80

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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.