Home / 1,125,833.77-1,553,638.89-609,578.74

Finding the Fourth Proportional to 1,125,833.77, 1,553,638.89 and 609,578.74

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Solution

The fourth proportional to 1,125,833.77, 1,553,638.89 and 609,578.74 is: 841,212.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,833.77 : 1,553,638.89 = 609,578.74 : x
  2. Step 2: Convert to fraction form
    1,125,833.77/1,553,638.89 = 609,578.74/x
  3. Step 3: Cross multiply
    1,125,833.77x = 1,553,638.89 × 609,578.74
  4. Step 4: Simplify right side
    1,125,833.77x = 947,065,236,981.20
  5. Step 5: Solve for x
    x = 947,065,236,981.20/1,125,833.77
  6. Step 6: Final answer
    x = 841,212.32

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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.