Home / 928,486.50-1,281,330.81-526,078.50

Finding the Fourth Proportional to 928,486.50, 1,281,330.81 and 526,078.50

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Solution

The fourth proportional to 928,486.50, 1,281,330.81 and 526,078.50 is: 725,999.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,486.50 : 1,281,330.81 = 526,078.50 : x
  2. Step 2: Convert to fraction form
    928,486.50/1,281,330.81 = 526,078.50/x
  3. Step 3: Cross multiply
    928,486.50x = 1,281,330.81 × 526,078.50
  4. Step 4: Simplify right side
    928,486.50x = 674,080,590,528.59
  5. Step 5: Solve for x
    x = 674,080,590,528.59/928,486.50
  6. Step 6: Final answer
    x = 725,999.34

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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.