Home / 935,872.65-1,291,504.23-506,152.77

Finding the Fourth Proportional to 935,872.65, 1,291,504.23 and 506,152.77

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Solution

The fourth proportional to 935,872.65, 1,291,504.23 and 506,152.77 is: 698,490.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,872.65 : 1,291,504.23 = 506,152.77 : x
  2. Step 2: Convert to fraction form
    935,872.65/1,291,504.23 = 506,152.77/x
  3. Step 3: Cross multiply
    935,872.65x = 1,291,504.23 × 506,152.77
  4. Step 4: Simplify right side
    935,872.65x = 653,698,443,481.22
  5. Step 5: Solve for x
    x = 653,698,443,481.22/935,872.65
  6. Step 6: Final answer
    x = 698,490.81

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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.