Home / 705,802.20-1,058,703.30-481,853.40

Finding the Fourth Proportional to 705,802.20, 1,058,703.30 and 481,853.40

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Solution

The fourth proportional to 705,802.20, 1,058,703.30 and 481,853.40 is: 722,780.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,802.20 : 1,058,703.30 = 481,853.40 : x
  2. Step 2: Convert to fraction form
    705,802.20/1,058,703.30 = 481,853.40/x
  3. Step 3: Cross multiply
    705,802.20x = 1,058,703.30 × 481,853.40
  4. Step 4: Simplify right side
    705,802.20x = 510,139,784,696.22
  5. Step 5: Solve for x
    x = 510,139,784,696.22/705,802.20
  6. Step 6: Final answer
    x = 722,780.10

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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.