Home / 1,064,683.86-1,595,221.38-643,074

Finding the Fourth Proportional to 1,064,683.86, 1,595,221.38 and 643,074

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Solution

The fourth proportional to 1,064,683.86, 1,595,221.38 and 643,074 is: 963,521.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,683.86 : 1,595,221.38 = 643,074 : x
  2. Step 2: Convert to fraction form
    1,064,683.86/1,595,221.38 = 643,074/x
  3. Step 3: Cross multiply
    1,064,683.86x = 1,595,221.38 × 643,074
  4. Step 4: Simplify right side
    1,064,683.86x = 1,025,845,393,722.12
  5. Step 5: Solve for x
    x = 1,025,845,393,722.12/1,064,683.86
  6. Step 6: Final answer
    x = 963,521.13

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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.