Home / 1,535,823.23-2,119,857.59-891,451.01

Finding the Fourth Proportional to 1,535,823.23, 2,119,857.59 and 891,451.01

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Solution

The fourth proportional to 1,535,823.23, 2,119,857.59 and 891,451.01 is: 1,230,447.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,823.23 : 2,119,857.59 = 891,451.01 : x
  2. Step 2: Convert to fraction form
    1,535,823.23/2,119,857.59 = 891,451.01/x
  3. Step 3: Cross multiply
    1,535,823.23x = 2,119,857.59 × 891,451.01
  4. Step 4: Simplify right side
    1,535,823.23x = 1,889,749,189,661.67
  5. Step 5: Solve for x
    x = 1,889,749,189,661.67/1,535,823.23
  6. Step 6: Final answer
    x = 1,230,447.07

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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.