Home / 1,020,612.48-1,530,917.28-346,763.76

Finding the Fourth Proportional to 1,020,612.48, 1,530,917.28 and 346,763.76

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Solution

The fourth proportional to 1,020,612.48, 1,530,917.28 and 346,763.76 is: 520,145.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,612.48 : 1,530,917.28 = 346,763.76 : x
  2. Step 2: Convert to fraction form
    1,020,612.48/1,530,917.28 = 346,763.76/x
  3. Step 3: Cross multiply
    1,020,612.48x = 1,530,917.28 × 346,763.76
  4. Step 4: Simplify right side
    1,020,612.48x = 530,866,632,261.77
  5. Step 5: Solve for x
    x = 530,866,632,261.77/1,020,612.48
  6. Step 6: Final answer
    x = 520,145.15

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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.