Home / 346,312.48-477,918.68-191,263.36

Finding the Fourth Proportional to 346,312.48, 477,918.68 and 191,263.36

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Solution

The fourth proportional to 346,312.48, 477,918.68 and 191,263.36 is: 263,947.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,312.48 : 477,918.68 = 191,263.36 : x
  2. Step 2: Convert to fraction form
    346,312.48/477,918.68 = 191,263.36/x
  3. Step 3: Cross multiply
    346,312.48x = 477,918.68 × 191,263.36
  4. Step 4: Simplify right side
    346,312.48x = 91,408,332,543.56
  5. Step 5: Solve for x
    x = 91,408,332,543.56/346,312.48
  6. Step 6: Final answer
    x = 263,947.56

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1.5x scale

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.