Home / 1,086,386.76-1,629,580.02-579,411.80

Finding the Fourth Proportional to 1,086,386.76, 1,629,580.02 and 579,411.80

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Solution

The fourth proportional to 1,086,386.76, 1,629,580.02 and 579,411.80 is: 869,117.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,386.76 : 1,629,580.02 = 579,411.80 : x
  2. Step 2: Convert to fraction form
    1,086,386.76/1,629,580.02 = 579,411.80/x
  3. Step 3: Cross multiply
    1,086,386.76x = 1,629,580.02 × 579,411.80
  4. Step 4: Simplify right side
    1,086,386.76x = 944,197,892,632.24
  5. Step 5: Solve for x
    x = 944,197,892,632.24/1,086,386.76
  6. Step 6: Final answer
    x = 869,117.64

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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.