Home / 697,038.90-1,045,602.09-223,713.78

Finding the Fourth Proportional to 697,038.90, 1,045,602.09 and 223,713.78

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Solution

The fourth proportional to 697,038.90, 1,045,602.09 and 223,713.78 is: 335,584.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,038.90 : 1,045,602.09 = 223,713.78 : x
  2. Step 2: Convert to fraction form
    697,038.90/1,045,602.09 = 223,713.78/x
  3. Step 3: Cross multiply
    697,038.90x = 1,045,602.09 × 223,713.78
  4. Step 4: Simplify right side
    697,038.90x = 233,915,595,929.80
  5. Step 5: Solve for x
    x = 233,915,595,929.80/697,038.90
  6. Step 6: Final answer
    x = 335,584.71

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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.