Home / 910,360.44-1,256,722.56-528,313.41

Finding the Fourth Proportional to 910,360.44, 1,256,722.56 and 528,313.41

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Solution

The fourth proportional to 910,360.44, 1,256,722.56 and 528,313.41 is: 729,319.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,360.44 : 1,256,722.56 = 528,313.41 : x
  2. Step 2: Convert to fraction form
    910,360.44/1,256,722.56 = 528,313.41/x
  3. Step 3: Cross multiply
    910,360.44x = 1,256,722.56 × 528,313.41
  4. Step 4: Simplify right side
    910,360.44x = 663,943,381,097.53
  5. Step 5: Solve for x
    x = 663,943,381,097.53/910,360.44
  6. Step 6: Final answer
    x = 729,319.24

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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.