Home / 876,929.18-1,211,324.13-705,492.86

Finding the Fourth Proportional to 876,929.18, 1,211,324.13 and 705,492.86

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Solution

The fourth proportional to 876,929.18, 1,211,324.13 and 705,492.86 is: 974,514.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,929.18 : 1,211,324.13 = 705,492.86 : x
  2. Step 2: Convert to fraction form
    876,929.18/1,211,324.13 = 705,492.86/x
  3. Step 3: Cross multiply
    876,929.18x = 1,211,324.13 × 705,492.86
  4. Step 4: Simplify right side
    876,929.18x = 854,580,518,804.09
  5. Step 5: Solve for x
    x = 854,580,518,804.09/876,929.18
  6. Step 6: Final answer
    x = 974,514.87

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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.