Home / 846,063.76-1,269,309.48-390,435.52

Finding the Fourth Proportional to 846,063.76, 1,269,309.48 and 390,435.52

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Solution

The fourth proportional to 846,063.76, 1,269,309.48 and 390,435.52 is: 585,751.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,063.76 : 1,269,309.48 = 390,435.52 : x
  2. Step 2: Convert to fraction form
    846,063.76/1,269,309.48 = 390,435.52/x
  3. Step 3: Cross multiply
    846,063.76x = 1,269,309.48 × 390,435.52
  4. Step 4: Simplify right side
    846,063.76x = 495,583,506,864.73
  5. Step 5: Solve for x
    x = 495,583,506,864.73/846,063.76
  6. Step 6: Final answer
    x = 585,751.96

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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.