Home / 1,292,208.23-1,779,401.50-1,263,533.59

Finding the Fourth Proportional to 1,292,208.23, 1,779,401.50 and 1,263,533.59

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Solution

The fourth proportional to 1,292,208.23, 1,779,401.50 and 1,263,533.59 is: 1,739,915.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,208.23 : 1,779,401.50 = 1,263,533.59 : x
  2. Step 2: Convert to fraction form
    1,292,208.23/1,779,401.50 = 1,263,533.59/x
  3. Step 3: Cross multiply
    1,292,208.23x = 1,779,401.50 × 1,263,533.59
  4. Step 4: Simplify right side
    1,292,208.23x = 2,248,333,564,411.80
  5. Step 5: Solve for x
    x = 2,248,333,564,411.80/1,292,208.23
  6. Step 6: Final answer
    x = 1,739,915.83

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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.