Home / 826,284.32-1,139,987.60-463,657.85

Finding the Fourth Proportional to 826,284.32, 1,139,987.60 and 463,657.85

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Solution

The fourth proportional to 826,284.32, 1,139,987.60 and 463,657.85 is: 639,688.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,284.32 : 1,139,987.60 = 463,657.85 : x
  2. Step 2: Convert to fraction form
    826,284.32/1,139,987.60 = 463,657.85/x
  3. Step 3: Cross multiply
    826,284.32x = 1,139,987.60 × 463,657.85
  4. Step 4: Simplify right side
    826,284.32x = 528,564,193,127.85
  5. Step 5: Solve for x
    x = 528,564,193,127.85/826,284.32
  6. Step 6: Final answer
    x = 639,688.04

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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.