Home / 697,445.80-1,046,168.70-655,455.40

Finding the Fourth Proportional to 697,445.80, 1,046,168.70 and 655,455.40

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Solution

The fourth proportional to 697,445.80, 1,046,168.70 and 655,455.40 is: 983,183.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,445.80 : 1,046,168.70 = 655,455.40 : x
  2. Step 2: Convert to fraction form
    697,445.80/1,046,168.70 = 655,455.40/x
  3. Step 3: Cross multiply
    697,445.80x = 1,046,168.70 × 655,455.40
  4. Step 4: Simplify right side
    697,445.80x = 685,716,923,725.98
  5. Step 5: Solve for x
    x = 685,716,923,725.98/697,445.80
  6. Step 6: Final answer
    x = 983,183.10

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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.