Home / 556,948.40-768,586.20-302,297.36

Finding the Fourth Proportional to 556,948.40, 768,586.20 and 302,297.36

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Solution

The fourth proportional to 556,948.40, 768,586.20 and 302,297.36 is: 417,168.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,948.40 : 768,586.20 = 302,297.36 : x
  2. Step 2: Convert to fraction form
    556,948.40/768,586.20 = 302,297.36/x
  3. Step 3: Cross multiply
    556,948.40x = 768,586.20 × 302,297.36
  4. Step 4: Simplify right side
    556,948.40x = 232,341,579,192.43
  5. Step 5: Solve for x
    x = 232,341,579,192.43/556,948.40
  6. Step 6: Final answer
    x = 417,168.95

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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.