Home / 675,259.03-931,786.35-403,289.18

Finding the Fourth Proportional to 675,259.03, 931,786.35 and 403,289.18

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Solution

The fourth proportional to 675,259.03, 931,786.35 and 403,289.18 is: 556,496.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,259.03 : 931,786.35 = 403,289.18 : x
  2. Step 2: Convert to fraction form
    675,259.03/931,786.35 = 403,289.18/x
  3. Step 3: Cross multiply
    675,259.03x = 931,786.35 × 403,289.18
  4. Step 4: Simplify right side
    675,259.03x = 375,779,350,349.63
  5. Step 5: Solve for x
    x = 375,779,350,349.63/675,259.03
  6. Step 6: Final answer
    x = 556,496.59

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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.