Home / 623,686.40-935,588.64-174,407.20

Finding the Fourth Proportional to 623,686.40, 935,588.64 and 174,407.20

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Solution

The fourth proportional to 623,686.40, 935,588.64 and 174,407.20 is: 261,627.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,686.40 : 935,588.64 = 174,407.20 : x
  2. Step 2: Convert to fraction form
    623,686.40/935,588.64 = 174,407.20/x
  3. Step 3: Cross multiply
    623,686.40x = 935,588.64 × 174,407.20
  4. Step 4: Simplify right side
    623,686.40x = 163,173,395,054.21
  5. Step 5: Solve for x
    x = 163,173,395,054.21/623,686.40
  6. Step 6: Final answer
    x = 261,627.31

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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.