Home / 877,758.14-1,316,965.26-345,650.10

Finding the Fourth Proportional to 877,758.14, 1,316,965.26 and 345,650.10

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Solution

The fourth proportional to 877,758.14, 1,316,965.26 and 345,650.10 is: 518,604.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,758.14 : 1,316,965.26 = 345,650.10 : x
  2. Step 2: Convert to fraction form
    877,758.14/1,316,965.26 = 345,650.10/x
  3. Step 3: Cross multiply
    877,758.14x = 1,316,965.26 × 345,650.10
  4. Step 4: Simplify right side
    877,758.14x = 455,209,173,815.53
  5. Step 5: Solve for x
    x = 455,209,173,815.53/877,758.14
  6. Step 6: Final answer
    x = 518,604.33

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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.