Home / 893,313.30-1,339,969.95-514,233.30

Finding the Fourth Proportional to 893,313.30, 1,339,969.95 and 514,233.30

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Solution

The fourth proportional to 893,313.30, 1,339,969.95 and 514,233.30 is: 771,349.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,313.30 : 1,339,969.95 = 514,233.30 : x
  2. Step 2: Convert to fraction form
    893,313.30/1,339,969.95 = 514,233.30/x
  3. Step 3: Cross multiply
    893,313.30x = 1,339,969.95 × 514,233.30
  4. Step 4: Simplify right side
    893,313.30x = 689,057,169,289.34
  5. Step 5: Solve for x
    x = 689,057,169,289.34/893,313.30
  6. Step 6: Final answer
    x = 771,349.95

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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.