Home / 1,539,054.20-2,124,105.79-885,666.80

Finding the Fourth Proportional to 1,539,054.20, 2,124,105.79 and 885,666.80

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Solution

The fourth proportional to 1,539,054.20, 2,124,105.79 and 885,666.80 is: 1,222,341.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,054.20 : 2,124,105.79 = 885,666.80 : x
  2. Step 2: Convert to fraction form
    1,539,054.20/2,124,105.79 = 885,666.80/x
  3. Step 3: Cross multiply
    1,539,054.20x = 2,124,105.79 × 885,666.80
  4. Step 4: Simplify right side
    1,539,054.20x = 1,881,249,977,890.77
  5. Step 5: Solve for x
    x = 1,881,249,977,890.77/1,539,054.20
  6. Step 6: Final answer
    x = 1,222,341.60

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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.