Home / 955,216.90-1,318,151.46-525,485.98

Finding the Fourth Proportional to 955,216.90, 1,318,151.46 and 525,485.98

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Solution

The fourth proportional to 955,216.90, 1,318,151.46 and 525,485.98 is: 725,144.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,216.90 : 1,318,151.46 = 525,485.98 : x
  2. Step 2: Convert to fraction form
    955,216.90/1,318,151.46 = 525,485.98/x
  3. Step 3: Cross multiply
    955,216.90x = 1,318,151.46 × 525,485.98
  4. Step 4: Simplify right side
    955,216.90x = 692,670,111,746.53
  5. Step 5: Solve for x
    x = 692,670,111,746.53/955,216.90
  6. Step 6: Final answer
    x = 725,144.32

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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.