Home / 890,256.70-1,335,385.05-535,087.90

Finding the Fourth Proportional to 890,256.70, 1,335,385.05 and 535,087.90

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Solution

The fourth proportional to 890,256.70, 1,335,385.05 and 535,087.90 is: 802,631.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,256.70 : 1,335,385.05 = 535,087.90 : x
  2. Step 2: Convert to fraction form
    890,256.70/1,335,385.05 = 535,087.90/x
  3. Step 3: Cross multiply
    890,256.70x = 1,335,385.05 × 535,087.90
  4. Step 4: Simplify right side
    890,256.70x = 714,548,382,095.90
  5. Step 5: Solve for x
    x = 714,548,382,095.90/890,256.70
  6. Step 6: Final answer
    x = 802,631.85

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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.