Home / 767,766.02-1,059,509.72-423,604.74

Finding the Fourth Proportional to 767,766.02, 1,059,509.72 and 423,604.74

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Solution

The fourth proportional to 767,766.02, 1,059,509.72 and 423,604.74 is: 584,570.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,766.02 : 1,059,509.72 = 423,604.74 : x
  2. Step 2: Convert to fraction form
    767,766.02/1,059,509.72 = 423,604.74/x
  3. Step 3: Cross multiply
    767,766.02x = 1,059,509.72 × 423,604.74
  4. Step 4: Simplify right side
    767,766.02x = 448,813,339,468.07
  5. Step 5: Solve for x
    x = 448,813,339,468.07/767,766.02
  6. Step 6: Final answer
    x = 584,570.47

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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.