Home / 1,683,307.70-2,323,014.93-919,397.30

Finding the Fourth Proportional to 1,683,307.70, 2,323,014.93 and 919,397.30

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Solution

The fourth proportional to 1,683,307.70, 2,323,014.93 and 919,397.30 is: 1,268,795.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,307.70 : 2,323,014.93 = 919,397.30 : x
  2. Step 2: Convert to fraction form
    1,683,307.70/2,323,014.93 = 919,397.30/x
  3. Step 3: Cross multiply
    1,683,307.70x = 2,323,014.93 × 919,397.30
  4. Step 4: Simplify right side
    1,683,307.70x = 2,135,773,654,501.69
  5. Step 5: Solve for x
    x = 2,135,773,654,501.69/1,683,307.70
  6. Step 6: Final answer
    x = 1,268,795.75

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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.