Home / 644,154.36-961,893.75-526,059.96

Finding the Fourth Proportional to 644,154.36, 961,893.75 and 526,059.96

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Solution

The fourth proportional to 644,154.36, 961,893.75 and 526,059.96 is: 785,547.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,154.36 : 961,893.75 = 526,059.96 : x
  2. Step 2: Convert to fraction form
    644,154.36/961,893.75 = 526,059.96/x
  3. Step 3: Cross multiply
    644,154.36x = 961,893.75 × 526,059.96
  4. Step 4: Simplify right side
    644,154.36x = 506,013,787,649.25
  5. Step 5: Solve for x
    x = 506,013,787,649.25/644,154.36
  6. Step 6: Final answer
    x = 785,547.41

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.