Home / 739,478.14-1,109,676.40-473,429.58

Finding the Fourth Proportional to 739,478.14, 1,109,676.40 and 473,429.58

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Solution

The fourth proportional to 739,478.14, 1,109,676.40 and 473,429.58 is: 710,438.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,478.14 : 1,109,676.40 = 473,429.58 : x
  2. Step 2: Convert to fraction form
    739,478.14/1,109,676.40 = 473,429.58/x
  3. Step 3: Cross multiply
    739,478.14x = 1,109,676.40 × 473,429.58
  4. Step 4: Simplify right side
    739,478.14x = 525,353,631,987.91
  5. Step 5: Solve for x
    x = 525,353,631,987.91/739,478.14
  6. Step 6: Final answer
    x = 710,438.35

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.