Home / 1,223,196.76-1,688,259.90-706,972.60

Finding the Fourth Proportional to 1,223,196.76, 1,688,259.90 and 706,972.60

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Solution

The fourth proportional to 1,223,196.76, 1,688,259.90 and 706,972.60 is: 975,765.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,196.76 : 1,688,259.90 = 706,972.60 : x
  2. Step 2: Convert to fraction form
    1,223,196.76/1,688,259.90 = 706,972.60/x
  3. Step 3: Cross multiply
    1,223,196.76x = 1,688,259.90 × 706,972.60
  4. Step 4: Simplify right side
    1,223,196.76x = 1,193,553,490,978.74
  5. Step 5: Solve for x
    x = 1,193,553,490,978.74/1,223,196.76
  6. Step 6: Final answer
    x = 975,765.74

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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.