Home / 634,916.93-876,165.60-348,429.65

Finding the Fourth Proportional to 634,916.93, 876,165.60 and 348,429.65

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Solution

The fourth proportional to 634,916.93, 876,165.60 and 348,429.65 is: 480,822.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,916.93 : 876,165.60 = 348,429.65 : x
  2. Step 2: Convert to fraction form
    634,916.93/876,165.60 = 348,429.65/x
  3. Step 3: Cross multiply
    634,916.93x = 876,165.60 × 348,429.65
  4. Step 4: Simplify right side
    634,916.93x = 305,282,068,969.21
  5. Step 5: Solve for x
    x = 305,282,068,969.21/634,916.93
  6. Step 6: Final answer
    x = 480,822.07

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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.