Home / 907,307.40-1,360,961.10-636,702.60

Finding the Fourth Proportional to 907,307.40, 1,360,961.10 and 636,702.60

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Solution

The fourth proportional to 907,307.40, 1,360,961.10 and 636,702.60 is: 955,053.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,307.40 : 1,360,961.10 = 636,702.60 : x
  2. Step 2: Convert to fraction form
    907,307.40/1,360,961.10 = 636,702.60/x
  3. Step 3: Cross multiply
    907,307.40x = 1,360,961.10 × 636,702.60
  4. Step 4: Simplify right side
    907,307.40x = 866,527,470,868.86
  5. Step 5: Solve for x
    x = 866,527,470,868.86/907,307.40
  6. Step 6: Final answer
    x = 955,053.90

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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.