Home / 885,685.96-1,221,941.94-536,938.84

Finding the Fourth Proportional to 885,685.96, 1,221,941.94 and 536,938.84

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Solution

The fourth proportional to 885,685.96, 1,221,941.94 and 536,938.84 is: 740,790.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,685.96 : 1,221,941.94 = 536,938.84 : x
  2. Step 2: Convert to fraction form
    885,685.96/1,221,941.94 = 536,938.84/x
  3. Step 3: Cross multiply
    885,685.96x = 1,221,941.94 × 536,938.84
  4. Step 4: Simplify right side
    885,685.96x = 656,108,087,810.95
  5. Step 5: Solve for x
    x = 656,108,087,810.95/885,685.96
  6. Step 6: Final answer
    x = 740,790.89

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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.