Home / 1,223,266.60-1,688,097.93-671,991.53

Finding the Fourth Proportional to 1,223,266.60, 1,688,097.93 and 671,991.53

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Solution

The fourth proportional to 1,223,266.60, 1,688,097.93 and 671,991.53 is: 927,342.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,266.60 : 1,688,097.93 = 671,991.53 : x
  2. Step 2: Convert to fraction form
    1,223,266.60/1,688,097.93 = 671,991.53/x
  3. Step 3: Cross multiply
    1,223,266.60x = 1,688,097.93 × 671,991.53
  4. Step 4: Simplify right side
    1,223,266.60x = 1,134,387,510,770.53
  5. Step 5: Solve for x
    x = 1,134,387,510,770.53/1,223,266.60
  6. Step 6: Final answer
    x = 927,342.83

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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.