Home / 1,130,785.16-1,696,345.68-372,486.56

Finding the Fourth Proportional to 1,130,785.16, 1,696,345.68 and 372,486.56

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Solution

The fourth proportional to 1,130,785.16, 1,696,345.68 and 372,486.56 is: 558,785.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,785.16 : 1,696,345.68 = 372,486.56 : x
  2. Step 2: Convert to fraction form
    1,130,785.16/1,696,345.68 = 372,486.56/x
  3. Step 3: Cross multiply
    1,130,785.16x = 1,696,345.68 × 372,486.56
  4. Step 4: Simplify right side
    1,130,785.16x = 631,865,966,914.06
  5. Step 5: Solve for x
    x = 631,865,966,914.06/1,130,785.16
  6. Step 6: Final answer
    x = 558,785.16

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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.