Home / 1,506,085.58-2,078,388.51-861,516.47

Finding the Fourth Proportional to 1,506,085.58, 2,078,388.51 and 861,516.47

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Solution

The fourth proportional to 1,506,085.58, 2,078,388.51 and 861,516.47 is: 1,188,887.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,506,085.58 : 2,078,388.51 = 861,516.47 : x
  2. Step 2: Convert to fraction form
    1,506,085.58/2,078,388.51 = 861,516.47/x
  3. Step 3: Cross multiply
    1,506,085.58x = 2,078,388.51 × 861,516.47
  4. Step 4: Simplify right side
    1,506,085.58x = 1,790,565,932,423.76
  5. Step 5: Solve for x
    x = 1,790,565,932,423.76/1,506,085.58
  6. Step 6: Final answer
    x = 1,188,887.24

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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.