Home / 935,277.60-1,290,682.52-505,557.72

Finding the Fourth Proportional to 935,277.60, 1,290,682.52 and 505,557.72

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Solution

The fourth proportional to 935,277.60, 1,290,682.52 and 505,557.72 is: 697,669.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,277.60 : 1,290,682.52 = 505,557.72 : x
  2. Step 2: Convert to fraction form
    935,277.60/1,290,682.52 = 505,557.72/x
  3. Step 3: Cross multiply
    935,277.60x = 1,290,682.52 × 505,557.72
  4. Step 4: Simplify right side
    935,277.60x = 652,514,509,527.27
  5. Step 5: Solve for x
    x = 652,514,509,527.27/935,277.60
  6. Step 6: Final answer
    x = 697,669.34

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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.