Home / 859,244.49-1,185,601.05-496,535.40

Finding the Fourth Proportional to 859,244.49, 1,185,601.05 and 496,535.40

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Solution

The fourth proportional to 859,244.49, 1,185,601.05 and 496,535.40 is: 685,128.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,244.49 : 1,185,601.05 = 496,535.40 : x
  2. Step 2: Convert to fraction form
    859,244.49/1,185,601.05 = 496,535.40/x
  3. Step 3: Cross multiply
    859,244.49x = 1,185,601.05 × 496,535.40
  4. Step 4: Simplify right side
    859,244.49x = 588,692,891,602.17
  5. Step 5: Solve for x
    x = 588,692,891,602.17/859,244.49
  6. Step 6: Final answer
    x = 685,128.50

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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.