Home / 507,947.20-700,929.04-278,467.84

Finding the Fourth Proportional to 507,947.20, 700,929.04 and 278,467.84

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Solution

The fourth proportional to 507,947.20, 700,929.04 and 278,467.84 is: 384,264.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,947.20 : 700,929.04 = 278,467.84 : x
  2. Step 2: Convert to fraction form
    507,947.20/700,929.04 = 278,467.84/x
  3. Step 3: Cross multiply
    507,947.20x = 700,929.04 × 278,467.84
  4. Step 4: Simplify right side
    507,947.20x = 195,186,195,762.07
  5. Step 5: Solve for x
    x = 195,186,195,762.07/507,947.20
  6. Step 6: Final answer
    x = 384,264.73

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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.