Home / 1,058,782.80-1,587,281.28-459,292.34

Finding the Fourth Proportional to 1,058,782.80, 1,587,281.28 and 459,292.34

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Solution

The fourth proportional to 1,058,782.80, 1,587,281.28 and 459,292.34 is: 688,551.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,782.80 : 1,587,281.28 = 459,292.34 : x
  2. Step 2: Convert to fraction form
    1,058,782.80/1,587,281.28 = 459,292.34/x
  3. Step 3: Cross multiply
    1,058,782.80x = 1,587,281.28 × 459,292.34
  4. Step 4: Simplify right side
    1,058,782.80x = 729,026,133,329.40
  5. Step 5: Solve for x
    x = 729,026,133,329.40/1,058,782.80
  6. Step 6: Final answer
    x = 688,551.17

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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.