Home / 1,382,100.40-2,073,255.55-470,999.70

Finding the Fourth Proportional to 1,382,100.40, 2,073,255.55 and 470,999.70

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Solution

The fourth proportional to 1,382,100.40, 2,073,255.55 and 470,999.70 is: 706,535.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,100.40 : 2,073,255.55 = 470,999.70 : x
  2. Step 2: Convert to fraction form
    1,382,100.40/2,073,255.55 = 470,999.70/x
  3. Step 3: Cross multiply
    1,382,100.40x = 2,073,255.55 × 470,999.70
  4. Step 4: Simplify right side
    1,382,100.40x = 976,502,742,073.34
  5. Step 5: Solve for x
    x = 976,502,742,073.34/1,382,100.40
  6. Step 6: Final answer
    x = 706,535.32

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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.