Home / 524,439.86-786,659.78-346,905.35

Finding the Fourth Proportional to 524,439.86, 786,659.78 and 346,905.35

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Solution

The fourth proportional to 524,439.86, 786,659.78 and 346,905.35 is: 520,358.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,439.86 : 786,659.78 = 346,905.35 : x
  2. Step 2: Convert to fraction form
    524,439.86/786,659.78 = 346,905.35/x
  3. Step 3: Cross multiply
    524,439.86x = 786,659.78 × 346,905.35
  4. Step 4: Simplify right side
    524,439.86x = 272,896,480,644.00
  5. Step 5: Solve for x
    x = 272,896,480,644.00/524,439.86
  6. Step 6: Final answer
    x = 520,358.01

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Similar ratio
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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.