Home / 1,161,079-1,602,292.86-644,834.20

Finding the Fourth Proportional to 1,161,079, 1,602,292.86 and 644,834.20

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Solution

The fourth proportional to 1,161,079, 1,602,292.86 and 644,834.20 is: 889,873.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,079 : 1,602,292.86 = 644,834.20 : x
  2. Step 2: Convert to fraction form
    1,161,079/1,602,292.86 = 644,834.20/x
  3. Step 3: Cross multiply
    1,161,079x = 1,602,292.86 × 644,834.20
  4. Step 4: Simplify right side
    1,161,079x = 1,033,213,234,543.81
  5. Step 5: Solve for x
    x = 1,033,213,234,543.81/1,161,079
  6. Step 6: Final answer
    x = 889,873.33

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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.