Home / 778,181.51-1,073,896.76-434,006.03

Finding the Fourth Proportional to 778,181.51, 1,073,896.76 and 434,006.03

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Solution

The fourth proportional to 778,181.51, 1,073,896.76 and 434,006.03 is: 598,931.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,181.51 : 1,073,896.76 = 434,006.03 : x
  2. Step 2: Convert to fraction form
    778,181.51/1,073,896.76 = 434,006.03/x
  3. Step 3: Cross multiply
    778,181.51x = 1,073,896.76 × 434,006.03
  4. Step 4: Simplify right side
    778,181.51x = 466,077,661,897.95
  5. Step 5: Solve for x
    x = 466,077,661,897.95/778,181.51
  6. Step 6: Final answer
    x = 598,931.82

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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.