Home / 705,477.90-973,564.77-383,187.92

Finding the Fourth Proportional to 705,477.90, 973,564.77 and 383,187.92

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Solution

The fourth proportional to 705,477.90, 973,564.77 and 383,187.92 is: 528,802.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,477.90 : 973,564.77 = 383,187.92 : x
  2. Step 2: Convert to fraction form
    705,477.90/973,564.77 = 383,187.92/x
  3. Step 3: Cross multiply
    705,477.90x = 973,564.77 × 383,187.92
  4. Step 4: Simplify right side
    705,477.90x = 373,058,253,615.28
  5. Step 5: Solve for x
    x = 373,058,253,615.28/705,477.90
  6. Step 6: Final answer
    x = 528,802.18

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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.