Home / 621,916.41-932,871.44-242,875.64

Finding the Fourth Proportional to 621,916.41, 932,871.44 and 242,875.64

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Solution

The fourth proportional to 621,916.41, 932,871.44 and 242,875.64 is: 364,312.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,916.41 : 932,871.44 = 242,875.64 : x
  2. Step 2: Convert to fraction form
    621,916.41/932,871.44 = 242,875.64/x
  3. Step 3: Cross multiply
    621,916.41x = 932,871.44 × 242,875.64
  4. Step 4: Simplify right side
    621,916.41x = 226,571,742,148.99
  5. Step 5: Solve for x
    x = 226,571,742,148.99/621,916.41
  6. Step 6: Final answer
    x = 364,312.21

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.