Home / 1,054,805.48-1,455,638.56-571,370.63

Finding the Fourth Proportional to 1,054,805.48, 1,455,638.56 and 571,370.63

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Solution

The fourth proportional to 1,054,805.48, 1,455,638.56 and 571,370.63 is: 788,495.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,805.48 : 1,455,638.56 = 571,370.63 : x
  2. Step 2: Convert to fraction form
    1,054,805.48/1,455,638.56 = 571,370.63/x
  3. Step 3: Cross multiply
    1,054,805.48x = 1,455,638.56 × 571,370.63
  4. Step 4: Simplify right side
    1,054,805.48x = 831,709,110,944.45
  5. Step 5: Solve for x
    x = 831,709,110,944.45/1,054,805.48
  6. Step 6: Final answer
    x = 788,495.25

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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.