Home / 1,283,886.12-1,773,608.32-1,025,423.72

Finding the Fourth Proportional to 1,283,886.12, 1,773,608.32 and 1,025,423.72

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Solution

The fourth proportional to 1,283,886.12, 1,773,608.32 and 1,025,423.72 is: 1,416,558.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,886.12 : 1,773,608.32 = 1,025,423.72 : x
  2. Step 2: Convert to fraction form
    1,283,886.12/1,773,608.32 = 1,025,423.72/x
  3. Step 3: Cross multiply
    1,283,886.12x = 1,773,608.32 × 1,025,423.72
  4. Step 4: Simplify right side
    1,283,886.12x = 1,818,700,041,317.35
  5. Step 5: Solve for x
    x = 1,818,700,041,317.35/1,283,886.12
  6. Step 6: Final answer
    x = 1,416,558.69

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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.