Home / 1,252,576.81-1,878,875.75-353,998.45

Finding the Fourth Proportional to 1,252,576.81, 1,878,875.75 and 353,998.45

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Solution

The fourth proportional to 1,252,576.81, 1,878,875.75 and 353,998.45 is: 531,000.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,576.81 : 1,878,875.75 = 353,998.45 : x
  2. Step 2: Convert to fraction form
    1,252,576.81/1,878,875.75 = 353,998.45/x
  3. Step 3: Cross multiply
    1,252,576.81x = 1,878,875.75 × 353,998.45
  4. Step 4: Simplify right side
    1,252,576.81x = 665,119,104,484.94
  5. Step 5: Solve for x
    x = 665,119,104,484.94/1,252,576.81
  6. Step 6: Final answer
    x = 531,000.65

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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.