Home / 1,806,516.12-2,709,775.35-458,779.80

Finding the Fourth Proportional to 1,806,516.12, 2,709,775.35 and 458,779.80

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Solution

The fourth proportional to 1,806,516.12, 2,709,775.35 and 458,779.80 is: 688,170.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806,516.12 : 2,709,775.35 = 458,779.80 : x
  2. Step 2: Convert to fraction form
    1,806,516.12/2,709,775.35 = 458,779.80/x
  3. Step 3: Cross multiply
    1,806,516.12x = 2,709,775.35 × 458,779.80
  4. Step 4: Simplify right side
    1,806,516.12x = 1,243,190,193,117.93
  5. Step 5: Solve for x
    x = 1,243,190,193,117.93/1,806,516.12
  6. Step 6: Final answer
    x = 688,170.00

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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.