Home / 1,053,638.76-1,453,864.98-639,960.24

Finding the Fourth Proportional to 1,053,638.76, 1,453,864.98 and 639,960.24

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Solution

The fourth proportional to 1,053,638.76, 1,453,864.98 and 639,960.24 is: 883,050.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,638.76 : 1,453,864.98 = 639,960.24 : x
  2. Step 2: Convert to fraction form
    1,053,638.76/1,453,864.98 = 639,960.24/x
  3. Step 3: Cross multiply
    1,053,638.76x = 1,453,864.98 × 639,960.24
  4. Step 4: Simplify right side
    1,053,638.76x = 930,415,781,528.40
  5. Step 5: Solve for x
    x = 930,415,781,528.40/1,053,638.76
  6. Step 6: Final answer
    x = 883,050.07

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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.