Home / 836,627.81-1,154,558.84-454,654.89

Finding the Fourth Proportional to 836,627.81, 1,154,558.84 and 454,654.89

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Solution

The fourth proportional to 836,627.81, 1,154,558.84 and 454,654.89 is: 627,430.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,627.81 : 1,154,558.84 = 454,654.89 : x
  2. Step 2: Convert to fraction form
    836,627.81/1,154,558.84 = 454,654.89/x
  3. Step 3: Cross multiply
    836,627.81x = 1,154,558.84 × 454,654.89
  4. Step 4: Simplify right side
    836,627.81x = 524,925,820,125.45
  5. Step 5: Solve for x
    x = 524,925,820,125.45/836,627.81
  6. Step 6: Final answer
    x = 627,430.52

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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.