Home / 907,293.40-1,360,940.10-636,688.60

Finding the Fourth Proportional to 907,293.40, 1,360,940.10 and 636,688.60

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Solution

The fourth proportional to 907,293.40, 1,360,940.10 and 636,688.60 is: 955,032.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,293.40 : 1,360,940.10 = 636,688.60 : x
  2. Step 2: Convert to fraction form
    907,293.40/1,360,940.10 = 636,688.60/x
  3. Step 3: Cross multiply
    907,293.40x = 1,360,940.10 × 636,688.60
  4. Step 4: Simplify right side
    907,293.40x = 866,495,046,952.86
  5. Step 5: Solve for x
    x = 866,495,046,952.86/907,293.40
  6. Step 6: Final answer
    x = 955,032.90

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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.