Home / 1,210,894.32-1,816,340.40-571,048.80

Finding the Fourth Proportional to 1,210,894.32, 1,816,340.40 and 571,048.80

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Solution

The fourth proportional to 1,210,894.32, 1,816,340.40 and 571,048.80 is: 856,572.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,894.32 : 1,816,340.40 = 571,048.80 : x
  2. Step 2: Convert to fraction form
    1,210,894.32/1,816,340.40 = 571,048.80/x
  3. Step 3: Cross multiply
    1,210,894.32x = 1,816,340.40 × 571,048.80
  4. Step 4: Simplify right side
    1,210,894.32x = 1,037,219,005,811.52
  5. Step 5: Solve for x
    x = 1,037,219,005,811.52/1,210,894.32
  6. Step 6: Final answer
    x = 856,572.69

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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.