Home / 1,210,512.51-1,670,443.29-694,239.72

Finding the Fourth Proportional to 1,210,512.51, 1,670,443.29 and 694,239.72

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Solution

The fourth proportional to 1,210,512.51, 1,670,443.29 and 694,239.72 is: 958,014.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,512.51 : 1,670,443.29 = 694,239.72 : x
  2. Step 2: Convert to fraction form
    1,210,512.51/1,670,443.29 = 694,239.72/x
  3. Step 3: Cross multiply
    1,210,512.51x = 1,670,443.29 × 694,239.72
  4. Step 4: Simplify right side
    1,210,512.51x = 1,159,688,081,925.48
  5. Step 5: Solve for x
    x = 1,159,688,081,925.48/1,210,512.51
  6. Step 6: Final answer
    x = 958,014.12

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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.