Home / 1,528,071.71-2,108,795.87-916,324.07

Finding the Fourth Proportional to 1,528,071.71, 2,108,795.87 and 916,324.07

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Solution

The fourth proportional to 1,528,071.71, 2,108,795.87 and 916,324.07 is: 1,264,561.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,071.71 : 2,108,795.87 = 916,324.07 : x
  2. Step 2: Convert to fraction form
    1,528,071.71/2,108,795.87 = 916,324.07/x
  3. Step 3: Cross multiply
    1,528,071.71x = 2,108,795.87 × 916,324.07
  4. Step 4: Simplify right side
    1,528,071.71x = 1,932,340,414,397.59
  5. Step 5: Solve for x
    x = 1,932,340,414,397.59/1,528,071.71
  6. Step 6: Final answer
    x = 1,264,561.34

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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.