Home / 832,661.04-1,247,683.20-643,584.24

Finding the Fourth Proportional to 832,661.04, 1,247,683.20 and 643,584.24

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Solution

The fourth proportional to 832,661.04, 1,247,683.20 and 643,584.24 is: 964,365.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,661.04 : 1,247,683.20 = 643,584.24 : x
  2. Step 2: Convert to fraction form
    832,661.04/1,247,683.20 = 643,584.24/x
  3. Step 3: Cross multiply
    832,661.04x = 1,247,683.20 × 643,584.24
  4. Step 4: Simplify right side
    832,661.04x = 802,989,244,032.77
  5. Step 5: Solve for x
    x = 802,989,244,032.77/832,661.04
  6. Step 6: Final answer
    x = 964,365.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.