Home / 1,386,312-1,913,110.56-750,408

Finding the Fourth Proportional to 1,386,312, 1,913,110.56 and 750,408

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Solution

The fourth proportional to 1,386,312, 1,913,110.56 and 750,408 is: 1,035,563.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,312 : 1,913,110.56 = 750,408 : x
  2. Step 2: Convert to fraction form
    1,386,312/1,913,110.56 = 750,408/x
  3. Step 3: Cross multiply
    1,386,312x = 1,913,110.56 × 750,408
  4. Step 4: Simplify right side
    1,386,312x = 1,435,613,469,108.48
  5. Step 5: Solve for x
    x = 1,435,613,469,108.48/1,386,312
  6. Step 6: Final answer
    x = 1,035,563.04

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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.