Home / 933,087.60-1,287,701.84-525,215.76

Finding the Fourth Proportional to 933,087.60, 1,287,701.84 and 525,215.76

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Solution

The fourth proportional to 933,087.60, 1,287,701.84 and 525,215.76 is: 724,820.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,087.60 : 1,287,701.84 = 525,215.76 : x
  2. Step 2: Convert to fraction form
    933,087.60/1,287,701.84 = 525,215.76/x
  3. Step 3: Cross multiply
    933,087.60x = 1,287,701.84 × 525,215.76
  4. Step 4: Simplify right side
    933,087.60x = 676,321,300,549.00
  5. Step 5: Solve for x
    x = 676,321,300,549.00/933,087.60
  6. Step 6: Final answer
    x = 724,820.80

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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.