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Finding the Fourth Proportional to 935,880.40, 1,404,166.20 and 901,320.40

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Solution

The fourth proportional to 935,880.40, 1,404,166.20 and 901,320.40 is: 1,352,313.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,880.40 : 1,404,166.20 = 901,320.40 : x
  2. Step 2: Convert to fraction form
    935,880.40/1,404,166.20 = 901,320.40/x
  3. Step 3: Cross multiply
    935,880.40x = 1,404,166.20 × 901,320.40
  4. Step 4: Simplify right side
    935,880.40x = 1,265,603,641,050.48
  5. Step 5: Solve for x
    x = 1,265,603,641,050.48/935,880.40
  6. Step 6: Final answer
    x = 1,352,313.44

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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.