Home / 910,051.20-1,256,120.46-528,201

Finding the Fourth Proportional to 910,051.20, 1,256,120.46 and 528,201

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Solution

The fourth proportional to 910,051.20, 1,256,120.46 and 528,201 is: 729,062.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,051.20 : 1,256,120.46 = 528,201 : x
  2. Step 2: Convert to fraction form
    910,051.20/1,256,120.46 = 528,201/x
  3. Step 3: Cross multiply
    910,051.20x = 1,256,120.46 × 528,201
  4. Step 4: Simplify right side
    910,051.20x = 663,484,083,092.46
  5. Step 5: Solve for x
    x = 663,484,083,092.46/910,051.20
  6. Step 6: Final answer
    x = 729,062.37

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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.