Home / 1,435,603.70-1,979,802.00-1,047,805.28

Finding the Fourth Proportional to 1,435,603.70, 1,979,802.00 and 1,047,805.28

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Solution

The fourth proportional to 1,435,603.70, 1,979,802.00 and 1,047,805.28 is: 1,444,999.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,603.70 : 1,979,802.00 = 1,047,805.28 : x
  2. Step 2: Convert to fraction form
    1,435,603.70/1,979,802.00 = 1,047,805.28/x
  3. Step 3: Cross multiply
    1,435,603.70x = 1,979,802.00 × 1,047,805.28
  4. Step 4: Simplify right side
    1,435,603.70x = 2,074,446,992,212.74
  5. Step 5: Solve for x
    x = 2,074,446,992,212.74/1,435,603.70
  6. Step 6: Final answer
    x = 1,444,999.76

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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.