Home / 836,838.55-1,155,133.34-497,302.75

Finding the Fourth Proportional to 836,838.55, 1,155,133.34 and 497,302.75

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Solution

The fourth proportional to 836,838.55, 1,155,133.34 and 497,302.75 is: 686,453.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,838.55 : 1,155,133.34 = 497,302.75 : x
  2. Step 2: Convert to fraction form
    836,838.55/1,155,133.34 = 497,302.75/x
  3. Step 3: Cross multiply
    836,838.55x = 1,155,133.34 × 497,302.75
  4. Step 4: Simplify right side
    836,838.55x = 574,450,986,598.69
  5. Step 5: Solve for x
    x = 574,450,986,598.69/836,838.55
  6. Step 6: Final answer
    x = 686,453.78

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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.