Home / 1,405,535.72-1,939,640.10-760,956.08

Finding the Fourth Proportional to 1,405,535.72, 1,939,640.10 and 760,956.08

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Solution

The fourth proportional to 1,405,535.72, 1,939,640.10 and 760,956.08 is: 1,050,119.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,535.72 : 1,939,640.10 = 760,956.08 : x
  2. Step 2: Convert to fraction form
    1,405,535.72/1,939,640.10 = 760,956.08/x
  3. Step 3: Cross multiply
    1,405,535.72x = 1,939,640.10 × 760,956.08
  4. Step 4: Simplify right side
    1,405,535.72x = 1,475,980,927,106.81
  5. Step 5: Solve for x
    x = 1,475,980,927,106.81/1,405,535.72
  6. Step 6: Final answer
    x = 1,050,119.83

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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.