Home / 611,961.16-917,941.56-191,237.08

Finding the Fourth Proportional to 611,961.16, 917,941.56 and 191,237.08

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Solution

The fourth proportional to 611,961.16, 917,941.56 and 191,237.08 is: 286,855.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,961.16 : 917,941.56 = 191,237.08 : x
  2. Step 2: Convert to fraction form
    611,961.16/917,941.56 = 191,237.08/x
  3. Step 3: Cross multiply
    611,961.16x = 917,941.56 × 191,237.08
  4. Step 4: Simplify right side
    611,961.16x = 175,544,463,545.05
  5. Step 5: Solve for x
    x = 175,544,463,545.05/611,961.16
  6. Step 6: Final answer
    x = 286,855.56

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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.