Home / 1,005,154.56-1,387,116.36-575,437.92

Finding the Fourth Proportional to 1,005,154.56, 1,387,116.36 and 575,437.92

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Solution

The fourth proportional to 1,005,154.56, 1,387,116.36 and 575,437.92 is: 794,106.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,154.56 : 1,387,116.36 = 575,437.92 : x
  2. Step 2: Convert to fraction form
    1,005,154.56/1,387,116.36 = 575,437.92/x
  3. Step 3: Cross multiply
    1,005,154.56x = 1,387,116.36 × 575,437.92
  4. Step 4: Simplify right side
    1,005,154.56x = 798,199,352,996.37
  5. Step 5: Solve for x
    x = 798,199,352,996.37/1,005,154.56
  6. Step 6: Final answer
    x = 794,106.09

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Double scale
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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.