Home / 557,155-836,064.58-202,196.76

Finding the Fourth Proportional to 557,155, 836,064.58 and 202,196.76

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Solution

The fourth proportional to 557,155, 836,064.58 and 202,196.76 is: 303,415.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,155 : 836,064.58 = 202,196.76 : x
  2. Step 2: Convert to fraction form
    557,155/836,064.58 = 202,196.76/x
  3. Step 3: Cross multiply
    557,155x = 836,064.58 × 202,196.76
  4. Step 4: Simplify right side
    557,155x = 169,049,549,226.76
  5. Step 5: Solve for x
    x = 169,049,549,226.76/557,155
  6. Step 6: Final answer
    x = 303,415.65

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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.