Home / 714,803.69-1,077,225.66-643,815.29

Finding the Fourth Proportional to 714,803.69, 1,077,225.66 and 643,815.29

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Solution

The fourth proportional to 714,803.69, 1,077,225.66 and 643,815.29 is: 970,244.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,803.69 : 1,077,225.66 = 643,815.29 : x
  2. Step 2: Convert to fraction form
    714,803.69/1,077,225.66 = 643,815.29/x
  3. Step 3: Cross multiply
    714,803.69x = 1,077,225.66 × 643,815.29
  4. Step 4: Simplify right side
    714,803.69x = 693,534,345,302.21
  5. Step 5: Solve for x
    x = 693,534,345,302.21/714,803.69
  6. Step 6: Final answer
    x = 970,244.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.