Home / 1,528,189.29-2,108,894.16-874,811.71

Finding the Fourth Proportional to 1,528,189.29, 2,108,894.16 and 874,811.71

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Solution

The fourth proportional to 1,528,189.29, 2,108,894.16 and 874,811.71 is: 1,207,236.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,189.29 : 2,108,894.16 = 874,811.71 : x
  2. Step 2: Convert to fraction form
    1,528,189.29/2,108,894.16 = 874,811.71/x
  3. Step 3: Cross multiply
    1,528,189.29x = 2,108,894.16 × 874,811.71
  4. Step 4: Simplify right side
    1,528,189.29x = 1,844,885,306,318.61
  5. Step 5: Solve for x
    x = 1,844,885,306,318.61/1,528,189.29
  6. Step 6: Final answer
    x = 1,207,236.12

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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.