Home / 528,971.10-793,573.29-173,970.78

Finding the Fourth Proportional to 528,971.10, 793,573.29 and 173,970.78

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Solution

The fourth proportional to 528,971.10, 793,573.29 and 173,970.78 is: 260,994.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,971.10 : 793,573.29 = 173,970.78 : x
  2. Step 2: Convert to fraction form
    528,971.10/793,573.29 = 173,970.78/x
  3. Step 3: Cross multiply
    528,971.10x = 793,573.29 × 173,970.78
  4. Step 4: Simplify right side
    528,971.10x = 138,058,564,248.47
  5. Step 5: Solve for x
    x = 138,058,564,248.47/528,971.10
  6. Step 6: Final answer
    x = 260,994.53

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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.