Home / 744,325.74-1,026,261.70-629,398.89

Finding the Fourth Proportional to 744,325.74, 1,026,261.70 and 629,398.89

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Solution

The fourth proportional to 744,325.74, 1,026,261.70 and 629,398.89 is: 867,802.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,325.74 : 1,026,261.70 = 629,398.89 : x
  2. Step 2: Convert to fraction form
    744,325.74/1,026,261.70 = 629,398.89/x
  3. Step 3: Cross multiply
    744,325.74x = 1,026,261.70 × 629,398.89
  4. Step 4: Simplify right side
    744,325.74x = 645,927,973,256.02
  5. Step 5: Solve for x
    x = 645,927,973,256.02/744,325.74
  6. Step 6: Final answer
    x = 867,802.82

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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.