Home / 1,623,547.89-2,435,715.48-486,307.89

Finding the Fourth Proportional to 1,623,547.89, 2,435,715.48 and 486,307.89

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Solution

The fourth proportional to 1,623,547.89, 2,435,715.48 and 486,307.89 is: 729,579.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623,547.89 : 2,435,715.48 = 486,307.89 : x
  2. Step 2: Convert to fraction form
    1,623,547.89/2,435,715.48 = 486,307.89/x
  3. Step 3: Cross multiply
    1,623,547.89x = 2,435,715.48 × 486,307.89
  4. Step 4: Simplify right side
    1,623,547.89x = 1,184,507,655,719.14
  5. Step 5: Solve for x
    x = 1,184,507,655,719.14/1,623,547.89
  6. Step 6: Final answer
    x = 729,579.75

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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.