Home / 739,633.56-1,020,420.36-546,506.88

Finding the Fourth Proportional to 739,633.56, 1,020,420.36 and 546,506.88

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Solution

The fourth proportional to 739,633.56, 1,020,420.36 and 546,506.88 is: 753,977.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,633.56 : 1,020,420.36 = 546,506.88 : x
  2. Step 2: Convert to fraction form
    739,633.56/1,020,420.36 = 546,506.88/x
  3. Step 3: Cross multiply
    739,633.56x = 1,020,420.36 × 546,506.88
  4. Step 4: Simplify right side
    739,633.56x = 557,666,747,232.08
  5. Step 5: Solve for x
    x = 557,666,747,232.08/739,633.56
  6. Step 6: Final answer
    x = 753,977.07

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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.