Home / 846,077.08-1,268,484.38-509,038.76

Finding the Fourth Proportional to 846,077.08, 1,268,484.38 and 509,038.76

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Solution

The fourth proportional to 846,077.08, 1,268,484.38 and 509,038.76 is: 763,178.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,077.08 : 1,268,484.38 = 509,038.76 : x
  2. Step 2: Convert to fraction form
    846,077.08/1,268,484.38 = 509,038.76/x
  3. Step 3: Cross multiply
    846,077.08x = 1,268,484.38 × 509,038.76
  4. Step 4: Simplify right side
    846,077.08x = 645,707,715,874.57
  5. Step 5: Solve for x
    x = 645,707,715,874.57/846,077.08
  6. Step 6: Final answer
    x = 763,178.36

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Double scale
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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.