Home / 677,900.03-933,706.21-505,264.74

Finding the Fourth Proportional to 677,900.03, 933,706.21 and 505,264.74

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Solution

The fourth proportional to 677,900.03, 933,706.21 and 505,264.74 is: 695,926.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,900.03 : 933,706.21 = 505,264.74 : x
  2. Step 2: Convert to fraction form
    677,900.03/933,706.21 = 505,264.74/x
  3. Step 3: Cross multiply
    677,900.03x = 933,706.21 × 505,264.74
  4. Step 4: Simplify right side
    677,900.03x = 471,768,826,866.94
  5. Step 5: Solve for x
    x = 471,768,826,866.94/677,900.03
  6. Step 6: Final answer
    x = 695,926.84

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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.