Home / 1,220,256.76-1,829,165.82-579,433

Finding the Fourth Proportional to 1,220,256.76, 1,829,165.82 and 579,433

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Solution

The fourth proportional to 1,220,256.76, 1,829,165.82 and 579,433 is: 868,570.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,256.76 : 1,829,165.82 = 579,433 : x
  2. Step 2: Convert to fraction form
    1,220,256.76/1,829,165.82 = 579,433/x
  3. Step 3: Cross multiply
    1,220,256.76x = 1,829,165.82 × 579,433
  4. Step 4: Simplify right side
    1,220,256.76x = 1,059,879,038,580.06
  5. Step 5: Solve for x
    x = 1,059,879,038,580.06/1,220,256.76
  6. Step 6: Final answer
    x = 868,570.51

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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.