Home / 1,037,719.80-1,556,579.70-406,423.80

Finding the Fourth Proportional to 1,037,719.80, 1,556,579.70 and 406,423.80

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Solution

The fourth proportional to 1,037,719.80, 1,556,579.70 and 406,423.80 is: 609,635.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,719.80 : 1,556,579.70 = 406,423.80 : x
  2. Step 2: Convert to fraction form
    1,037,719.80/1,556,579.70 = 406,423.80/x
  3. Step 3: Cross multiply
    1,037,719.80x = 1,556,579.70 × 406,423.80
  4. Step 4: Simplify right side
    1,037,719.80x = 632,631,036,676.86
  5. Step 5: Solve for x
    x = 632,631,036,676.86/1,037,719.80
  6. Step 6: Final answer
    x = 609,635.70

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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.