Home / 736,271.20-1,105,443.60-456,335.20

Finding the Fourth Proportional to 736,271.20, 1,105,443.60 and 456,335.20

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Solution

The fourth proportional to 736,271.20, 1,105,443.60 and 456,335.20 is: 685,145.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,271.20 : 1,105,443.60 = 456,335.20 : x
  2. Step 2: Convert to fraction form
    736,271.20/1,105,443.60 = 456,335.20/x
  3. Step 3: Cross multiply
    736,271.20x = 1,105,443.60 × 456,335.20
  4. Step 4: Simplify right side
    736,271.20x = 504,452,826,294.72
  5. Step 5: Solve for x
    x = 504,452,826,294.72/736,271.20
  6. Step 6: Final answer
    x = 685,145.40

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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.