Home / 1,655,038.45-2,284,972.03-1,312,259.01

Finding the Fourth Proportional to 1,655,038.45, 2,284,972.03 and 1,312,259.01

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Solution

The fourth proportional to 1,655,038.45, 2,284,972.03 and 1,312,259.01 is: 1,811,725.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,655,038.45 : 2,284,972.03 = 1,312,259.01 : x
  2. Step 2: Convert to fraction form
    1,655,038.45/2,284,972.03 = 1,312,259.01/x
  3. Step 3: Cross multiply
    1,655,038.45x = 2,284,972.03 × 1,312,259.01
  4. Step 4: Simplify right side
    1,655,038.45x = 2,998,475,127,037.17
  5. Step 5: Solve for x
    x = 2,998,475,127,037.17/1,655,038.45
  6. Step 6: Final answer
    x = 1,811,725.36

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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.