Home / 808,219.60-1,212,329.40-524,784.40

Finding the Fourth Proportional to 808,219.60, 1,212,329.40 and 524,784.40

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Solution

The fourth proportional to 808,219.60, 1,212,329.40 and 524,784.40 is: 787,176.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,219.60 : 1,212,329.40 = 524,784.40 : x
  2. Step 2: Convert to fraction form
    808,219.60/1,212,329.40 = 524,784.40/x
  3. Step 3: Cross multiply
    808,219.60x = 1,212,329.40 × 524,784.40
  4. Step 4: Simplify right side
    808,219.60x = 636,211,556,781.36
  5. Step 5: Solve for x
    x = 636,211,556,781.36/808,219.60
  6. Step 6: Final answer
    x = 787,176.60

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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.