Home / 1,054,830.89-1,455,673.64-571,396.06

Finding the Fourth Proportional to 1,054,830.89, 1,455,673.64 and 571,396.06

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Solution

The fourth proportional to 1,054,830.89, 1,455,673.64 and 571,396.06 is: 788,530.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,830.89 : 1,455,673.64 = 571,396.06 : x
  2. Step 2: Convert to fraction form
    1,054,830.89/1,455,673.64 = 571,396.06/x
  3. Step 3: Cross multiply
    1,054,830.89x = 1,455,673.64 × 571,396.06
  4. Step 4: Simplify right side
    1,054,830.89x = 831,766,182,541.86
  5. Step 5: Solve for x
    x = 831,766,182,541.86/1,054,830.89
  6. Step 6: Final answer
    x = 788,530.36

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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.