Home / 525,501.64-719,939.92-505,821.52

Finding the Fourth Proportional to 525,501.64, 719,939.92 and 505,821.52

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Solution

The fourth proportional to 525,501.64, 719,939.92 and 505,821.52 is: 692,978.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,501.64 : 719,939.92 = 505,821.52 : x
  2. Step 2: Convert to fraction form
    525,501.64/719,939.92 = 505,821.52/x
  3. Step 3: Cross multiply
    525,501.64x = 719,939.92 × 505,821.52
  4. Step 4: Simplify right side
    525,501.64x = 364,161,104,643.08
  5. Step 5: Solve for x
    x = 364,161,104,643.08/525,501.64
  6. Step 6: Final answer
    x = 692,978.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.