Home / 914,408.96-1,261,840.52-506,483.28

Finding the Fourth Proportional to 914,408.96, 1,261,840.52 and 506,483.28

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Solution

The fourth proportional to 914,408.96, 1,261,840.52 and 506,483.28 is: 698,922.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,408.96 : 1,261,840.52 = 506,483.28 : x
  2. Step 2: Convert to fraction form
    914,408.96/1,261,840.52 = 506,483.28/x
  3. Step 3: Cross multiply
    914,408.96x = 1,261,840.52 × 506,483.28
  4. Step 4: Simplify right side
    914,408.96x = 639,101,125,406.51
  5. Step 5: Solve for x
    x = 639,101,125,406.51/914,408.96
  6. Step 6: Final answer
    x = 698,922.64

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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.