Home / 1,210,248.06-1,670,183.73-666,421.35

Finding the Fourth Proportional to 1,210,248.06, 1,670,183.73 and 666,421.35

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Solution

The fourth proportional to 1,210,248.06, 1,670,183.73 and 666,421.35 is: 919,684.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,248.06 : 1,670,183.73 = 666,421.35 : x
  2. Step 2: Convert to fraction form
    1,210,248.06/1,670,183.73 = 666,421.35/x
  3. Step 3: Cross multiply
    1,210,248.06x = 1,670,183.73 × 666,421.35
  4. Step 4: Simplify right side
    1,210,248.06x = 1,113,046,096,094.64
  5. Step 5: Solve for x
    x = 1,113,046,096,094.64/1,210,248.06
  6. Step 6: Final answer
    x = 919,684.26

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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.