Home / 1,023,873.92-1,412,288.16-621,465.92

Finding the Fourth Proportional to 1,023,873.92, 1,412,288.16 and 621,465.92

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Solution

The fourth proportional to 1,023,873.92, 1,412,288.16 and 621,465.92 is: 857,223.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,873.92 : 1,412,288.16 = 621,465.92 : x
  2. Step 2: Convert to fraction form
    1,023,873.92/1,412,288.16 = 621,465.92/x
  3. Step 3: Cross multiply
    1,023,873.92x = 1,412,288.16 × 621,465.92
  4. Step 4: Simplify right side
    1,023,873.92x = 877,688,960,659.51
  5. Step 5: Solve for x
    x = 877,688,960,659.51/1,023,873.92
  6. Step 6: Final answer
    x = 857,223.67

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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.