Home / 525,915-788,478.84-170,717.04

Finding the Fourth Proportional to 525,915, 788,478.84 and 170,717.04

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Solution

The fourth proportional to 525,915, 788,478.84 and 170,717.04 is: 255,947.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,915 : 788,478.84 = 170,717.04 : x
  2. Step 2: Convert to fraction form
    525,915/788,478.84 = 170,717.04/x
  3. Step 3: Cross multiply
    525,915x = 788,478.84 × 170,717.04
  4. Step 4: Simplify right side
    525,915x = 134,606,773,667.43
  5. Step 5: Solve for x
    x = 134,606,773,667.43/525,915
  6. Step 6: Final answer
    x = 255,947.77

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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.