Home / 1,038,506.90-1,556,593.95-439,366.10

Finding the Fourth Proportional to 1,038,506.90, 1,556,593.95 and 439,366.10

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Solution

The fourth proportional to 1,038,506.90, 1,556,593.95 and 439,366.10 is: 658,555.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,506.90 : 1,556,593.95 = 439,366.10 : x
  2. Step 2: Convert to fraction form
    1,038,506.90/1,556,593.95 = 439,366.10/x
  3. Step 3: Cross multiply
    1,038,506.90x = 1,556,593.95 × 439,366.10
  4. Step 4: Simplify right side
    1,038,506.90x = 683,914,613,095.10
  5. Step 5: Solve for x
    x = 683,914,613,095.10/1,038,506.90
  6. Step 6: Final answer
    x = 658,555.68

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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.