Home / 525,444.22-723,585.75-456,501.78

Finding the Fourth Proportional to 525,444.22, 723,585.75 and 456,501.78

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Solution

The fourth proportional to 525,444.22, 723,585.75 and 456,501.78 is: 628,645.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,444.22 : 723,585.75 = 456,501.78 : x
  2. Step 2: Convert to fraction form
    525,444.22/723,585.75 = 456,501.78/x
  3. Step 3: Cross multiply
    525,444.22x = 723,585.75 × 456,501.78
  4. Step 4: Simplify right side
    525,444.22x = 330,318,182,857.64
  5. Step 5: Solve for x
    x = 330,318,182,857.64/525,444.22
  6. Step 6: Final answer
    x = 628,645.57

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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.