Home / 649,612.40-973,036.20-525,196.40

Finding the Fourth Proportional to 649,612.40, 973,036.20 and 525,196.40

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Solution

The fourth proportional to 649,612.40, 973,036.20 and 525,196.40 is: 786,676.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,612.40 : 973,036.20 = 525,196.40 : x
  2. Step 2: Convert to fraction form
    649,612.40/973,036.20 = 525,196.40/x
  3. Step 3: Cross multiply
    649,612.40x = 973,036.20 × 525,196.40
  4. Step 4: Simplify right side
    649,612.40x = 511,035,109,309.68
  5. Step 5: Solve for x
    x = 511,035,109,309.68/649,612.40
  6. Step 6: Final answer
    x = 786,676.96

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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.