Home / 866,426.36-1,299,639.54-570,869.24

Finding the Fourth Proportional to 866,426.36, 1,299,639.54 and 570,869.24

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Solution

The fourth proportional to 866,426.36, 1,299,639.54 and 570,869.24 is: 856,303.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,426.36 : 1,299,639.54 = 570,869.24 : x
  2. Step 2: Convert to fraction form
    866,426.36/1,299,639.54 = 570,869.24/x
  3. Step 3: Cross multiply
    866,426.36x = 1,299,639.54 × 570,869.24
  4. Step 4: Simplify right side
    866,426.36x = 741,924,236,473.75
  5. Step 5: Solve for x
    x = 741,924,236,473.75/866,426.36
  6. Step 6: Final answer
    x = 856,303.86

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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.