Home / 575,619.40-863,429.10-526,630.60

Finding the Fourth Proportional to 575,619.40, 863,429.10 and 526,630.60

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Solution

The fourth proportional to 575,619.40, 863,429.10 and 526,630.60 is: 789,945.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,619.40 : 863,429.10 = 526,630.60 : x
  2. Step 2: Convert to fraction form
    575,619.40/863,429.10 = 526,630.60/x
  3. Step 3: Cross multiply
    575,619.40x = 863,429.10 × 526,630.60
  4. Step 4: Simplify right side
    575,619.40x = 454,708,184,990.46
  5. Step 5: Solve for x
    x = 454,708,184,990.46/575,619.40
  6. Step 6: Final answer
    x = 789,945.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.