Home / 1,185,904.13-1,779,188.76-476,430.39

Finding the Fourth Proportional to 1,185,904.13, 1,779,188.76 and 476,430.39

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Solution

The fourth proportional to 1,185,904.13, 1,779,188.76 and 476,430.39 is: 714,779.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,904.13 : 1,779,188.76 = 476,430.39 : x
  2. Step 2: Convert to fraction form
    1,185,904.13/1,779,188.76 = 476,430.39/x
  3. Step 3: Cross multiply
    1,185,904.13x = 1,779,188.76 × 476,430.39
  4. Step 4: Simplify right side
    1,185,904.13x = 847,659,594,810.42
  5. Step 5: Solve for x
    x = 847,659,594,810.42/1,185,904.13
  6. Step 6: Final answer
    x = 714,779.19

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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.