Home / 1,054,811.18-1,455,646.40-571,376.31

Finding the Fourth Proportional to 1,054,811.18, 1,455,646.40 and 571,376.31

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Solution

The fourth proportional to 1,054,811.18, 1,455,646.40 and 571,376.31 is: 788,503.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,811.18 : 1,455,646.40 = 571,376.31 : x
  2. Step 2: Convert to fraction form
    1,054,811.18/1,455,646.40 = 571,376.31/x
  3. Step 3: Cross multiply
    1,054,811.18x = 1,455,646.40 × 571,376.31
  4. Step 4: Simplify right side
    1,054,811.18x = 831,721,865,839.90
  5. Step 5: Solve for x
    x = 831,721,865,839.90/1,054,811.18
  6. Step 6: Final answer
    x = 788,503.09

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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.