Home / 649,617.40-973,043.70-525,201.40

Finding the Fourth Proportional to 649,617.40, 973,043.70 and 525,201.40

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Solution

The fourth proportional to 649,617.40, 973,043.70 and 525,201.40 is: 786,684.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,617.40 : 973,043.70 = 525,201.40 : x
  2. Step 2: Convert to fraction form
    649,617.40/973,043.70 = 525,201.40/x
  3. Step 3: Cross multiply
    649,617.40x = 973,043.70 × 525,201.40
  4. Step 4: Simplify right side
    649,617.40x = 511,043,913,501.18
  5. Step 5: Solve for x
    x = 511,043,913,501.18/649,617.40
  6. Step 6: Final answer
    x = 786,684.46

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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.