Home / 1,186,388.48-1,779,665.72-476,416.50

Finding the Fourth Proportional to 1,186,388.48, 1,779,665.72 and 476,416.50

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Solution

The fourth proportional to 1,186,388.48, 1,779,665.72 and 476,416.50 is: 714,658.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,388.48 : 1,779,665.72 = 476,416.50 : x
  2. Step 2: Convert to fraction form
    1,186,388.48/1,779,665.72 = 476,416.50/x
  3. Step 3: Cross multiply
    1,186,388.48x = 1,779,665.72 × 476,416.50
  4. Step 4: Simplify right side
    1,186,388.48x = 847,862,111,110.30
  5. Step 5: Solve for x
    x = 847,862,111,110.30/1,186,388.48
  6. Step 6: Final answer
    x = 714,658.08

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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.