Home / 1,565,904.42-2,161,099.89-877,693.23

Finding the Fourth Proportional to 1,565,904.42, 2,161,099.89 and 877,693.23

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Solution

The fourth proportional to 1,565,904.42, 2,161,099.89 and 877,693.23 is: 1,211,301.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565,904.42 : 2,161,099.89 = 877,693.23 : x
  2. Step 2: Convert to fraction form
    1,565,904.42/2,161,099.89 = 877,693.23/x
  3. Step 3: Cross multiply
    1,565,904.42x = 2,161,099.89 × 877,693.23
  4. Step 4: Simplify right side
    1,565,904.42x = 1,896,782,742,806.75
  5. Step 5: Solve for x
    x = 1,896,782,742,806.75/1,565,904.42
  6. Step 6: Final answer
    x = 1,211,301.74

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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.