Home / 1,210,644.04-1,670,668.18-666,830.76

Finding the Fourth Proportional to 1,210,644.04, 1,670,668.18 and 666,830.76

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Solution

The fourth proportional to 1,210,644.04, 1,670,668.18 and 666,830.76 is: 920,215.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,644.04 : 1,670,668.18 = 666,830.76 : x
  2. Step 2: Convert to fraction form
    1,210,644.04/1,670,668.18 = 666,830.76/x
  3. Step 3: Cross multiply
    1,210,644.04x = 1,670,668.18 × 666,830.76
  4. Step 4: Simplify right side
    1,210,644.04x = 1,114,052,932,177.22
  5. Step 5: Solve for x
    x = 1,114,052,932,177.22/1,210,644.04
  6. Step 6: Final answer
    x = 920,215.10

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Double scale
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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.