Home / 1,006,460.16-1,388,928.71-547,580.21

Finding the Fourth Proportional to 1,006,460.16, 1,388,928.71 and 547,580.21

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Solution

The fourth proportional to 1,006,460.16, 1,388,928.71 and 547,580.21 is: 755,668.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,460.16 : 1,388,928.71 = 547,580.21 : x
  2. Step 2: Convert to fraction form
    1,006,460.16/1,388,928.71 = 547,580.21/x
  3. Step 3: Cross multiply
    1,006,460.16x = 1,388,928.71 × 547,580.21
  4. Step 4: Simplify right side
    1,006,460.16x = 760,549,875,431.25
  5. Step 5: Solve for x
    x = 760,549,875,431.25/1,006,460.16
  6. Step 6: Final answer
    x = 755,668.14

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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.