Home / 910,132.02-1,256,232.02-528,281.82

Finding the Fourth Proportional to 910,132.02, 1,256,232.02 and 528,281.82

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Solution

The fourth proportional to 910,132.02, 1,256,232.02 and 528,281.82 is: 729,173.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,132.02 : 1,256,232.02 = 528,281.82 : x
  2. Step 2: Convert to fraction form
    910,132.02/1,256,232.02 = 528,281.82/x
  3. Step 3: Cross multiply
    910,132.02x = 1,256,232.02 × 528,281.82
  4. Step 4: Simplify right side
    910,132.02x = 663,644,537,867.88
  5. Step 5: Solve for x
    x = 663,644,537,867.88/910,132.02
  6. Step 6: Final answer
    x = 729,173.93

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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.