Home / 1,173,088.06-1,618,895.64-663,779.50

Finding the Fourth Proportional to 1,173,088.06, 1,618,895.64 and 663,779.50

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Solution

The fourth proportional to 1,173,088.06, 1,618,895.64 and 663,779.50 is: 916,035.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,088.06 : 1,618,895.64 = 663,779.50 : x
  2. Step 2: Convert to fraction form
    1,173,088.06/1,618,895.64 = 663,779.50/x
  3. Step 3: Cross multiply
    1,173,088.06x = 1,618,895.64 × 663,779.50
  4. Step 4: Simplify right side
    1,173,088.06x = 1,074,589,738,471.38
  5. Step 5: Solve for x
    x = 1,074,589,738,471.38/1,173,088.06
  6. Step 6: Final answer
    x = 916,035.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.