Home / 792,921-1,093,733.28-470,402.76

Finding the Fourth Proportional to 792,921, 1,093,733.28 and 470,402.76

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Solution

The fourth proportional to 792,921, 1,093,733.28 and 470,402.76 is: 648,860.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,921 : 1,093,733.28 = 470,402.76 : x
  2. Step 2: Convert to fraction form
    792,921/1,093,733.28 = 470,402.76/x
  3. Step 3: Cross multiply
    792,921x = 1,093,733.28 × 470,402.76
  4. Step 4: Simplify right side
    792,921x = 514,495,153,615.85
  5. Step 5: Solve for x
    x = 514,495,153,615.85/792,921
  6. Step 6: Final answer
    x = 648,860.55

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1.5x scale

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.