Home / 346,719.70-520,079.55-283,734.10

Finding the Fourth Proportional to 346,719.70, 520,079.55 and 283,734.10

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Solution

The fourth proportional to 346,719.70, 520,079.55 and 283,734.10 is: 425,601.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,719.70 : 520,079.55 = 283,734.10 : x
  2. Step 2: Convert to fraction form
    346,719.70/520,079.55 = 283,734.10/x
  3. Step 3: Cross multiply
    346,719.70x = 520,079.55 × 283,734.10
  4. Step 4: Simplify right side
    346,719.70x = 147,564,303,047.66
  5. Step 5: Solve for x
    x = 147,564,303,047.66/346,719.70
  6. Step 6: Final answer
    x = 425,601.15

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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.