Home / 649,621.40-973,049.70-525,205.40

Finding the Fourth Proportional to 649,621.40, 973,049.70 and 525,205.40

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Solution

The fourth proportional to 649,621.40, 973,049.70 and 525,205.40 is: 786,690.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,621.40 : 973,049.70 = 525,205.40 : x
  2. Step 2: Convert to fraction form
    649,621.40/973,049.70 = 525,205.40/x
  3. Step 3: Cross multiply
    649,621.40x = 973,049.70 × 525,205.40
  4. Step 4: Simplify right side
    649,621.40x = 511,050,956,908.38
  5. Step 5: Solve for x
    x = 511,050,956,908.38/649,621.40
  6. Step 6: Final answer
    x = 786,690.46

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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.