Home / 1,154,401.80-1,731,602.70-312,953.55

Finding the Fourth Proportional to 1,154,401.80, 1,731,602.70 and 312,953.55

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Solution

The fourth proportional to 1,154,401.80, 1,731,602.70 and 312,953.55 is: 469,430.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,401.80 : 1,731,602.70 = 312,953.55 : x
  2. Step 2: Convert to fraction form
    1,154,401.80/1,731,602.70 = 312,953.55/x
  3. Step 3: Cross multiply
    1,154,401.80x = 1,731,602.70 × 312,953.55
  4. Step 4: Simplify right side
    1,154,401.80x = 541,911,212,154.59
  5. Step 5: Solve for x
    x = 541,911,212,154.59/1,154,401.80
  6. Step 6: Final answer
    x = 469,430.33

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1.5x scale

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.