Home / 935,391.54-1,290,842.22-505,671.66

Finding the Fourth Proportional to 935,391.54, 1,290,842.22 and 505,671.66

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Solution

The fourth proportional to 935,391.54, 1,290,842.22 and 505,671.66 is: 697,827.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,391.54 : 1,290,842.22 = 505,671.66 : x
  2. Step 2: Convert to fraction form
    935,391.54/1,290,842.22 = 505,671.66/x
  3. Step 3: Cross multiply
    935,391.54x = 1,290,842.22 × 505,671.66
  4. Step 4: Simplify right side
    935,391.54x = 652,742,330,081.75
  5. Step 5: Solve for x
    x = 652,742,330,081.75/935,391.54
  6. Step 6: Final answer
    x = 697,827.91

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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.