Home / 1,600,330.80-2,208,665.40-921,295.92

Finding the Fourth Proportional to 1,600,330.80, 2,208,665.40 and 921,295.92

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Solution

The fourth proportional to 1,600,330.80, 2,208,665.40 and 921,295.92 is: 1,271,508.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600,330.80 : 2,208,665.40 = 921,295.92 : x
  2. Step 2: Convert to fraction form
    1,600,330.80/2,208,665.40 = 921,295.92/x
  3. Step 3: Cross multiply
    1,600,330.80x = 2,208,665.40 × 921,295.92
  4. Step 4: Simplify right side
    1,600,330.80x = 2,034,834,421,665.17
  5. Step 5: Solve for x
    x = 2,034,834,421,665.17/1,600,330.80
  6. Step 6: Final answer
    x = 1,271,508.63

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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.