Home / 939,852.30-1,297,583.40-646,007.90

Finding the Fourth Proportional to 939,852.30, 1,297,583.40 and 646,007.90

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Solution

The fourth proportional to 939,852.30, 1,297,583.40 and 646,007.90 is: 891,894.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,852.30 : 1,297,583.40 = 646,007.90 : x
  2. Step 2: Convert to fraction form
    939,852.30/1,297,583.40 = 646,007.90/x
  3. Step 3: Cross multiply
    939,852.30x = 1,297,583.40 × 646,007.90
  4. Step 4: Simplify right side
    939,852.30x = 838,249,127,308.86
  5. Step 5: Solve for x
    x = 838,249,127,308.86/939,852.30
  6. Step 6: Final answer
    x = 891,894.53

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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.