Home / 1,186,300.62-1,779,444.45-287,740.62

Finding the Fourth Proportional to 1,186,300.62, 1,779,444.45 and 287,740.62

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Solution

The fourth proportional to 1,186,300.62, 1,779,444.45 and 287,740.62 is: 431,609.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,300.62 : 1,779,444.45 = 287,740.62 : x
  2. Step 2: Convert to fraction form
    1,186,300.62/1,779,444.45 = 287,740.62/x
  3. Step 3: Cross multiply
    1,186,300.62x = 1,779,444.45 × 287,740.62
  4. Step 4: Simplify right side
    1,186,300.62x = 512,018,449,298.56
  5. Step 5: Solve for x
    x = 512,018,449,298.56/1,186,300.62
  6. Step 6: Final answer
    x = 431,609.36

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1.5x scale

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.