Home / 921,884.07-1,272,283.56-559,399.77

Finding the Fourth Proportional to 921,884.07, 1,272,283.56 and 559,399.77

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Solution

The fourth proportional to 921,884.07, 1,272,283.56 and 559,399.77 is: 772,022.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,884.07 : 1,272,283.56 = 559,399.77 : x
  2. Step 2: Convert to fraction form
    921,884.07/1,272,283.56 = 559,399.77/x
  3. Step 3: Cross multiply
    921,884.07x = 1,272,283.56 × 559,399.77
  4. Step 4: Simplify right side
    921,884.07x = 711,715,130,838.78
  5. Step 5: Solve for x
    x = 711,715,130,838.78/921,884.07
  6. Step 6: Final answer
    x = 772,022.38

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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.