Home / 314,936.10-472,404.15-277,538.40

Finding the Fourth Proportional to 314,936.10, 472,404.15 and 277,538.40

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Solution

The fourth proportional to 314,936.10, 472,404.15 and 277,538.40 is: 416,307.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,936.10 : 472,404.15 = 277,538.40 : x
  2. Step 2: Convert to fraction form
    314,936.10/472,404.15 = 277,538.40/x
  3. Step 3: Cross multiply
    314,936.10x = 472,404.15 × 277,538.40
  4. Step 4: Simplify right side
    314,936.10x = 131,110,291,944.36
  5. Step 5: Solve for x
    x = 131,110,291,944.36/314,936.10
  6. Step 6: Final answer
    x = 416,307.60

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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.