Home / 782,109.40-1,173,164.10-604,962.40

Finding the Fourth Proportional to 782,109.40, 1,173,164.10 and 604,962.40

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Solution

The fourth proportional to 782,109.40, 1,173,164.10 and 604,962.40 is: 907,443.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,109.40 : 1,173,164.10 = 604,962.40 : x
  2. Step 2: Convert to fraction form
    782,109.40/1,173,164.10 = 604,962.40/x
  3. Step 3: Cross multiply
    782,109.40x = 1,173,164.10 × 604,962.40
  4. Step 4: Simplify right side
    782,109.40x = 709,720,169,529.84
  5. Step 5: Solve for x
    x = 709,720,169,529.84/782,109.40
  6. Step 6: Final answer
    x = 907,443.60

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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.