Home / 801,569.08-1,106,914.64-515,585.64

Finding the Fourth Proportional to 801,569.08, 1,106,914.64 and 515,585.64

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Solution

The fourth proportional to 801,569.08, 1,106,914.64 and 515,585.64 is: 711,990.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,569.08 : 1,106,914.64 = 515,585.64 : x
  2. Step 2: Convert to fraction form
    801,569.08/1,106,914.64 = 515,585.64/x
  3. Step 3: Cross multiply
    801,569.08x = 1,106,914.64 × 515,585.64
  4. Step 4: Simplify right side
    801,569.08x = 570,709,293,089.77
  5. Step 5: Solve for x
    x = 570,709,293,089.77/801,569.08
  6. Step 6: Final answer
    x = 711,990.15

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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.