Home / 556,929.05-768,560.15-302,280.24

Finding the Fourth Proportional to 556,929.05, 768,560.15 and 302,280.24

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Solution

The fourth proportional to 556,929.05, 768,560.15 and 302,280.24 is: 417,145.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,929.05 : 768,560.15 = 302,280.24 : x
  2. Step 2: Convert to fraction form
    556,929.05/768,560.15 = 302,280.24/x
  3. Step 3: Cross multiply
    556,929.05x = 768,560.15 × 302,280.24
  4. Step 4: Simplify right side
    556,929.05x = 232,320,541,997.94
  5. Step 5: Solve for x
    x = 232,320,541,997.94/556,929.05
  6. Step 6: Final answer
    x = 417,145.67

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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.