Home / 1,058,625.51-1,587,045.61-459,135.15

Finding the Fourth Proportional to 1,058,625.51, 1,587,045.61 and 459,135.15

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Solution

The fourth proportional to 1,058,625.51, 1,587,045.61 and 459,135.15 is: 688,315.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,625.51 : 1,587,045.61 = 459,135.15 : x
  2. Step 2: Convert to fraction form
    1,058,625.51/1,587,045.61 = 459,135.15/x
  3. Step 3: Cross multiply
    1,058,625.51x = 1,587,045.61 × 459,135.15
  4. Step 4: Simplify right side
    1,058,625.51x = 728,668,424,204.19
  5. Step 5: Solve for x
    x = 728,668,424,204.19/1,058,625.51
  6. Step 6: Final answer
    x = 688,315.57

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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.