Home / 423,284.41-583,173.76-403,106.25

Finding the Fourth Proportional to 423,284.41, 583,173.76 and 403,106.25

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Solution

The fourth proportional to 423,284.41, 583,173.76 and 403,106.25 is: 555,373.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,284.41 : 583,173.76 = 403,106.25 : x
  2. Step 2: Convert to fraction form
    423,284.41/583,173.76 = 403,106.25/x
  3. Step 3: Cross multiply
    423,284.41x = 583,173.76 × 403,106.25
  4. Step 4: Simplify right side
    423,284.41x = 235,080,987,492
  5. Step 5: Solve for x
    x = 235,080,987,492/423,284.41
  6. Step 6: Final answer
    x = 555,373.61

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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.