Home / 1,125,581.47-1,553,300.77-609,332.83

Finding the Fourth Proportional to 1,125,581.47, 1,553,300.77 and 609,332.83

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Solution

The fourth proportional to 1,125,581.47, 1,553,300.77 and 609,332.83 is: 840,878.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,581.47 : 1,553,300.77 = 609,332.83 : x
  2. Step 2: Convert to fraction form
    1,125,581.47/1,553,300.77 = 609,332.83/x
  3. Step 3: Cross multiply
    1,125,581.47x = 1,553,300.77 × 609,332.83
  4. Step 4: Simplify right side
    1,125,581.47x = 946,477,154,025.28
  5. Step 5: Solve for x
    x = 946,477,154,025.28/1,125,581.47
  6. Step 6: Final answer
    x = 840,878.41

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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.