Home / 913,600.48-1,260,740.24-526,416.70

Finding the Fourth Proportional to 913,600.48, 1,260,740.24 and 526,416.70

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Solution

The fourth proportional to 913,600.48, 1,260,740.24 and 526,416.70 is: 726,438.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,600.48 : 1,260,740.24 = 526,416.70 : x
  2. Step 2: Convert to fraction form
    913,600.48/1,260,740.24 = 526,416.70/x
  3. Step 3: Cross multiply
    913,600.48x = 1,260,740.24 × 526,416.70
  4. Step 4: Simplify right side
    913,600.48x = 663,674,721,165.90
  5. Step 5: Solve for x
    x = 663,674,721,165.90/913,600.48
  6. Step 6: Final answer
    x = 726,438.67

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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.