Home / 941,870.68-1,300,066.14-640,239.64

Finding the Fourth Proportional to 941,870.68, 1,300,066.14 and 640,239.64

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Solution

The fourth proportional to 941,870.68, 1,300,066.14 and 640,239.64 is: 883,724.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,870.68 : 1,300,066.14 = 640,239.64 : x
  2. Step 2: Convert to fraction form
    941,870.68/1,300,066.14 = 640,239.64/x
  3. Step 3: Cross multiply
    941,870.68x = 1,300,066.14 × 640,239.64
  4. Step 4: Simplify right side
    941,870.68x = 832,353,877,449.79
  5. Step 5: Solve for x
    x = 832,353,877,449.79/941,870.68
  6. Step 6: Final answer
    x = 883,724.16

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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.