Home / 709,871.10-1,064,281.45-335,456.70

Finding the Fourth Proportional to 709,871.10, 1,064,281.45 and 335,456.70

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Solution

The fourth proportional to 709,871.10, 1,064,281.45 and 335,456.70 is: 502,936.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,871.10 : 1,064,281.45 = 335,456.70 : x
  2. Step 2: Convert to fraction form
    709,871.10/1,064,281.45 = 335,456.70/x
  3. Step 3: Cross multiply
    709,871.10x = 1,064,281.45 × 335,456.70
  4. Step 4: Simplify right side
    709,871.10x = 357,020,343,088.22
  5. Step 5: Solve for x
    x = 357,020,343,088.22/709,871.10
  6. Step 6: Final answer
    x = 502,936.86

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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.