Home / 866,144.77-1,298,093.54-385,688.91

Finding the Fourth Proportional to 866,144.77, 1,298,093.54 and 385,688.91

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Solution

The fourth proportional to 866,144.77, 1,298,093.54 and 385,688.91 is: 578,033.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,144.77 : 1,298,093.54 = 385,688.91 : x
  2. Step 2: Convert to fraction form
    866,144.77/1,298,093.54 = 385,688.91/x
  3. Step 3: Cross multiply
    866,144.77x = 1,298,093.54 × 385,688.91
  4. Step 4: Simplify right side
    866,144.77x = 500,660,280,592.20
  5. Step 5: Solve for x
    x = 500,660,280,592.20/866,144.77
  6. Step 6: Final answer
    x = 578,033.03

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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.