Home / 1,211,582.64-1,672,062.90-695,503.57

Finding the Fourth Proportional to 1,211,582.64, 1,672,062.90 and 695,503.57

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Solution

The fourth proportional to 1,211,582.64, 1,672,062.90 and 695,503.57 is: 959,840.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,582.64 : 1,672,062.90 = 695,503.57 : x
  2. Step 2: Convert to fraction form
    1,211,582.64/1,672,062.90 = 695,503.57/x
  3. Step 3: Cross multiply
    1,211,582.64x = 1,672,062.90 × 695,503.57
  4. Step 4: Simplify right side
    1,211,582.64x = 1,162,925,712,034.40
  5. Step 5: Solve for x
    x = 1,162,925,712,034.40/1,211,582.64
  6. Step 6: Final answer
    x = 959,840.19

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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.