Home / 876,590.27-1,313,888.79-370,835.58

Finding the Fourth Proportional to 876,590.27, 1,313,888.79 and 370,835.58

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Solution

The fourth proportional to 876,590.27, 1,313,888.79 and 370,835.58 is: 555,831.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,590.27 : 1,313,888.79 = 370,835.58 : x
  2. Step 2: Convert to fraction form
    876,590.27/1,313,888.79 = 370,835.58/x
  3. Step 3: Cross multiply
    876,590.27x = 1,313,888.79 × 370,835.58
  4. Step 4: Simplify right side
    876,590.27x = 487,236,711,495.15
  5. Step 5: Solve for x
    x = 487,236,711,495.15/876,590.27
  6. Step 6: Final answer
    x = 555,831.76

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1.5x scale

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.