Home / 804,526.80-1,109,929.55-518,213.07

Finding the Fourth Proportional to 804,526.80, 1,109,929.55 and 518,213.07

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Solution

The fourth proportional to 804,526.80, 1,109,929.55 and 518,213.07 is: 714,929.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,526.80 : 1,109,929.55 = 518,213.07 : x
  2. Step 2: Convert to fraction form
    804,526.80/1,109,929.55 = 518,213.07/x
  3. Step 3: Cross multiply
    804,526.80x = 1,109,929.55 × 518,213.07
  4. Step 4: Simplify right side
    804,526.80x = 575,179,999,589.22
  5. Step 5: Solve for x
    x = 575,179,999,589.22/804,526.80
  6. Step 6: Final answer
    x = 714,929.57

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1.5x scale

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.