Home / 628,106.40-942,159.60-249,117.53

Finding the Fourth Proportional to 628,106.40, 942,159.60 and 249,117.53

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Solution

The fourth proportional to 628,106.40, 942,159.60 and 249,117.53 is: 373,676.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,106.40 : 942,159.60 = 249,117.53 : x
  2. Step 2: Convert to fraction form
    628,106.40/942,159.60 = 249,117.53/x
  3. Step 3: Cross multiply
    628,106.40x = 942,159.60 × 249,117.53
  4. Step 4: Simplify right side
    628,106.40x = 234,708,467,706.99
  5. Step 5: Solve for x
    x = 234,708,467,706.99/628,106.40
  6. Step 6: Final answer
    x = 373,676.29

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.