Home / 1,284,588.15-1,927,312.38-420,062.93

Finding the Fourth Proportional to 1,284,588.15, 1,927,312.38 and 420,062.93

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Solution

The fourth proportional to 1,284,588.15, 1,927,312.38 and 420,062.93 is: 630,235.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,588.15 : 1,927,312.38 = 420,062.93 : x
  2. Step 2: Convert to fraction form
    1,284,588.15/1,927,312.38 = 420,062.93/x
  3. Step 3: Cross multiply
    1,284,588.15x = 1,927,312.38 × 420,062.93
  4. Step 4: Simplify right side
    1,284,588.15x = 809,592,482,958.93
  5. Step 5: Solve for x
    x = 809,592,482,958.93/1,284,588.15
  6. Step 6: Final answer
    x = 630,235.06

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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.