Home / 893,909.69-1,233,619.56-486,038.91

Finding the Fourth Proportional to 893,909.69, 1,233,619.56 and 486,038.91

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Solution

The fourth proportional to 893,909.69, 1,233,619.56 and 486,038.91 is: 670,746.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,909.69 : 1,233,619.56 = 486,038.91 : x
  2. Step 2: Convert to fraction form
    893,909.69/1,233,619.56 = 486,038.91/x
  3. Step 3: Cross multiply
    893,909.69x = 1,233,619.56 × 486,038.91
  4. Step 4: Simplify right side
    893,909.69x = 599,587,103,866.89
  5. Step 5: Solve for x
    x = 599,587,103,866.89/893,909.69
  6. Step 6: Final answer
    x = 670,746.85

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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.