Home / 953,339.86-1,315,288.83-539,820.28

Finding the Fourth Proportional to 953,339.86, 1,315,288.83 and 539,820.28

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Solution

The fourth proportional to 953,339.86, 1,315,288.83 and 539,820.28 is: 744,770.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,339.86 : 1,315,288.83 = 539,820.28 : x
  2. Step 2: Convert to fraction form
    953,339.86/1,315,288.83 = 539,820.28/x
  3. Step 3: Cross multiply
    953,339.86x = 1,315,288.83 × 539,820.28
  4. Step 4: Simplify right side
    953,339.86x = 710,019,584,491.47
  5. Step 5: Solve for x
    x = 710,019,584,491.47/953,339.86
  6. Step 6: Final answer
    x = 744,770.69

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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.