Home / 943,307.76-1,301,756.88-513,587.04

Finding the Fourth Proportional to 943,307.76, 1,301,756.88 and 513,587.04

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Solution

The fourth proportional to 943,307.76, 1,301,756.88 and 513,587.04 is: 708,745.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,307.76 : 1,301,756.88 = 513,587.04 : x
  2. Step 2: Convert to fraction form
    943,307.76/1,301,756.88 = 513,587.04/x
  3. Step 3: Cross multiply
    943,307.76x = 1,301,756.88 × 513,587.04
  4. Step 4: Simplify right side
    943,307.76x = 668,565,462,798.84
  5. Step 5: Solve for x
    x = 668,565,462,798.84/943,307.76
  6. Step 6: Final answer
    x = 708,745.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.