Home / 750,928.23-1,036,274.76-406,756.17

Finding the Fourth Proportional to 750,928.23, 1,036,274.76 and 406,756.17

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Solution

The fourth proportional to 750,928.23, 1,036,274.76 and 406,756.17 is: 561,320.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,928.23 : 1,036,274.76 = 406,756.17 : x
  2. Step 2: Convert to fraction form
    750,928.23/1,036,274.76 = 406,756.17/x
  3. Step 3: Cross multiply
    750,928.23x = 1,036,274.76 × 406,756.17
  4. Step 4: Simplify right side
    750,928.23x = 421,511,152,445.27
  5. Step 5: Solve for x
    x = 421,511,152,445.27/750,928.23
  6. Step 6: Final answer
    x = 561,320.16

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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.