Home / 1,778,295.02-2,667,720.36-579,938.64

Finding the Fourth Proportional to 1,778,295.02, 2,667,720.36 and 579,938.64

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Solution

The fourth proportional to 1,778,295.02, 2,667,720.36 and 579,938.64 is: 869,998.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,295.02 : 2,667,720.36 = 579,938.64 : x
  2. Step 2: Convert to fraction form
    1,778,295.02/2,667,720.36 = 579,938.64/x
  3. Step 3: Cross multiply
    1,778,295.02x = 2,667,720.36 × 579,938.64
  4. Step 4: Simplify right side
    1,778,295.02x = 1,547,114,117,478.71
  5. Step 5: Solve for x
    x = 1,547,114,117,478.71/1,778,295.02
  6. Step 6: Final answer
    x = 869,998.57

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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.