Home / 843,090.75-1,163,394.59-475,547.58

Finding the Fourth Proportional to 843,090.75, 1,163,394.59 and 475,547.58

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Solution

The fourth proportional to 843,090.75, 1,163,394.59 and 475,547.58 is: 656,215.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,090.75 : 1,163,394.59 = 475,547.58 : x
  2. Step 2: Convert to fraction form
    843,090.75/1,163,394.59 = 475,547.58/x
  3. Step 3: Cross multiply
    843,090.75x = 1,163,394.59 × 475,547.58
  4. Step 4: Simplify right side
    843,090.75x = 553,249,481,859.59
  5. Step 5: Solve for x
    x = 553,249,481,859.59/843,090.75
  6. Step 6: Final answer
    x = 656,215.81

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Half scale
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Double scale
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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.