Home / 1,210,581.07-1,670,547.98-693,964.59

Finding the Fourth Proportional to 1,210,581.07, 1,670,547.98 and 693,964.59

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Solution

The fourth proportional to 1,210,581.07, 1,670,547.98 and 693,964.59 is: 957,640.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,581.07 : 1,670,547.98 = 693,964.59 : x
  2. Step 2: Convert to fraction form
    1,210,581.07/1,670,547.98 = 693,964.59/x
  3. Step 3: Cross multiply
    1,210,581.07x = 1,670,547.98 × 693,964.59
  4. Step 4: Simplify right side
    1,210,581.07x = 1,159,301,135,582.83
  5. Step 5: Solve for x
    x = 1,159,301,135,582.83/1,210,581.07
  6. Step 6: Final answer
    x = 957,640.23

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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.