Home / 939,050.82-1,295,459.73-556,938.18

Finding the Fourth Proportional to 939,050.82, 1,295,459.73 and 556,938.18

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Solution

The fourth proportional to 939,050.82, 1,295,459.73 and 556,938.18 is: 768,319.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,050.82 : 1,295,459.73 = 556,938.18 : x
  2. Step 2: Convert to fraction form
    939,050.82/1,295,459.73 = 556,938.18/x
  3. Step 3: Cross multiply
    939,050.82x = 1,295,459.73 × 556,938.18
  4. Step 4: Simplify right side
    939,050.82x = 721,490,984,289.49
  5. Step 5: Solve for x
    x = 721,490,984,289.49/939,050.82
  6. Step 6: Final answer
    x = 768,319.42

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1.5x scale

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.