Home / 525,756.07-725,543.73-284,038.55

Finding the Fourth Proportional to 525,756.07, 725,543.73 and 284,038.55

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Solution

The fourth proportional to 525,756.07, 725,543.73 and 284,038.55 is: 391,973.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,756.07 : 725,543.73 = 284,038.55 : x
  2. Step 2: Convert to fraction form
    525,756.07/725,543.73 = 284,038.55/x
  3. Step 3: Cross multiply
    525,756.07x = 725,543.73 × 284,038.55
  4. Step 4: Simplify right side
    525,756.07x = 206,082,388,123.86
  5. Step 5: Solve for x
    x = 206,082,388,123.86/525,756.07
  6. Step 6: Final answer
    x = 391,973.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.