Home / 1,157,420.80-1,736,404.71-483,127.39

Finding the Fourth Proportional to 1,157,420.80, 1,736,404.71 and 483,127.39

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Solution

The fourth proportional to 1,157,420.80, 1,736,404.71 and 483,127.39 is: 724,805.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,420.80 : 1,736,404.71 = 483,127.39 : x
  2. Step 2: Convert to fraction form
    1,157,420.80/1,736,404.71 = 483,127.39/x
  3. Step 3: Cross multiply
    1,157,420.80x = 1,736,404.71 × 483,127.39
  4. Step 4: Simplify right side
    1,157,420.80x = 838,904,675,526.01
  5. Step 5: Solve for x
    x = 838,904,675,526.01/1,157,420.80
  6. Step 6: Final answer
    x = 724,805.25

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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.