Home / 985,115.10-1,477,672.65-760,802.72

Finding the Fourth Proportional to 985,115.10, 1,477,672.65 and 760,802.72

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Solution

The fourth proportional to 985,115.10, 1,477,672.65 and 760,802.72 is: 1,141,204.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,115.10 : 1,477,672.65 = 760,802.72 : x
  2. Step 2: Convert to fraction form
    985,115.10/1,477,672.65 = 760,802.72/x
  3. Step 3: Cross multiply
    985,115.10x = 1,477,672.65 × 760,802.72
  4. Step 4: Simplify right side
    985,115.10x = 1,124,217,364,001.24
  5. Step 5: Solve for x
    x = 1,124,217,364,001.24/985,115.10
  6. Step 6: Final answer
    x = 1,141,204.07

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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.