Home / 979,360.09-1,468,540.06-575,341.40

Finding the Fourth Proportional to 979,360.09, 1,468,540.06 and 575,341.40

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Solution

The fourth proportional to 979,360.09, 1,468,540.06 and 575,341.40 is: 862,718.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,360.09 : 1,468,540.06 = 575,341.40 : x
  2. Step 2: Convert to fraction form
    979,360.09/1,468,540.06 = 575,341.40/x
  3. Step 3: Cross multiply
    979,360.09x = 1,468,540.06 × 575,341.40
  4. Step 4: Simplify right side
    979,360.09x = 844,911,896,309.48
  5. Step 5: Solve for x
    x = 844,911,896,309.48/979,360.09
  6. Step 6: Final answer
    x = 862,718.33

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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.