Home / 404,628.19-558,386.95-223,340.16

Finding the Fourth Proportional to 404,628.19, 558,386.95 and 223,340.16

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Solution

The fourth proportional to 404,628.19, 558,386.95 and 223,340.16 is: 308,209.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,628.19 : 558,386.95 = 223,340.16 : x
  2. Step 2: Convert to fraction form
    404,628.19/558,386.95 = 223,340.16/x
  3. Step 3: Cross multiply
    404,628.19x = 558,386.95 × 223,340.16
  4. Step 4: Simplify right side
    404,628.19x = 124,710,230,196.56
  5. Step 5: Solve for x
    x = 124,710,230,196.56/404,628.19
  6. Step 6: Final answer
    x = 308,209.45

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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.