Home / 818,332.90-1,128,993.80-817,071.34

Finding the Fourth Proportional to 818,332.90, 1,128,993.80 and 817,071.34

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Solution

The fourth proportional to 818,332.90, 1,128,993.80 and 817,071.34 is: 1,127,253.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,332.90 : 1,128,993.80 = 817,071.34 : x
  2. Step 2: Convert to fraction form
    818,332.90/1,128,993.80 = 817,071.34/x
  3. Step 3: Cross multiply
    818,332.90x = 1,128,993.80 × 817,071.34
  4. Step 4: Simplify right side
    818,332.90x = 922,468,477,017.69
  5. Step 5: Solve for x
    x = 922,468,477,017.69/818,332.90
  6. Step 6: Final answer
    x = 1,127,253.32

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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.