Home / 587,917.52-811,302.64-346,210.28

Finding the Fourth Proportional to 587,917.52, 811,302.64 and 346,210.28

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Solution

The fourth proportional to 587,917.52, 811,302.64 and 346,210.28 is: 477,756.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,917.52 : 811,302.64 = 346,210.28 : x
  2. Step 2: Convert to fraction form
    587,917.52/811,302.64 = 346,210.28/x
  3. Step 3: Cross multiply
    587,917.52x = 811,302.64 × 346,210.28
  4. Step 4: Simplify right side
    587,917.52x = 280,881,314,159.14
  5. Step 5: Solve for x
    x = 280,881,314,159.14/587,917.52
  6. Step 6: Final answer
    x = 477,756.33

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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.