Home / 1,430,320.44-1,973,501.91-810,130.98

Finding the Fourth Proportional to 1,430,320.44, 1,973,501.91 and 810,130.98

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Solution

The fourth proportional to 1,430,320.44, 1,973,501.91 and 810,130.98 is: 1,117,788.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,320.44 : 1,973,501.91 = 810,130.98 : x
  2. Step 2: Convert to fraction form
    1,430,320.44/1,973,501.91 = 810,130.98/x
  3. Step 3: Cross multiply
    1,430,320.44x = 1,973,501.91 × 810,130.98
  4. Step 4: Simplify right side
    1,430,320.44x = 1,598,795,036,380.17
  5. Step 5: Solve for x
    x = 1,598,795,036,380.17/1,430,320.44
  6. Step 6: Final answer
    x = 1,117,788.01

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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.