Home / 517,819.92-714,811.72-348,152.40

Finding the Fourth Proportional to 517,819.92, 714,811.72 and 348,152.40

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Solution

The fourth proportional to 517,819.92, 714,811.72 and 348,152.40 is: 480,598.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,819.92 : 714,811.72 = 348,152.40 : x
  2. Step 2: Convert to fraction form
    517,819.92/714,811.72 = 348,152.40/x
  3. Step 3: Cross multiply
    517,819.92x = 714,811.72 × 348,152.40
  4. Step 4: Simplify right side
    517,819.92x = 248,863,415,866.13
  5. Step 5: Solve for x
    x = 248,863,415,866.13/517,819.92
  6. Step 6: Final answer
    x = 480,598.38

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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.