Home / 534,415.02-801,603.09-160,428.30

Finding the Fourth Proportional to 534,415.02, 801,603.09 and 160,428.30

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Solution

The fourth proportional to 534,415.02, 801,603.09 and 160,428.30 is: 240,636.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,415.02 : 801,603.09 = 160,428.30 : x
  2. Step 2: Convert to fraction form
    534,415.02/801,603.09 = 160,428.30/x
  3. Step 3: Cross multiply
    534,415.02x = 801,603.09 × 160,428.30
  4. Step 4: Simplify right side
    534,415.02x = 128,599,821,003.45
  5. Step 5: Solve for x
    x = 128,599,821,003.45/534,415.02
  6. Step 6: Final answer
    x = 240,636.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.