Home / 456,556.13-630,066.03-252,603.75

Finding the Fourth Proportional to 456,556.13, 630,066.03 and 252,603.75

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Solution

The fourth proportional to 456,556.13, 630,066.03 and 252,603.75 is: 348,603.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,556.13 : 630,066.03 = 252,603.75 : x
  2. Step 2: Convert to fraction form
    456,556.13/630,066.03 = 252,603.75/x
  3. Step 3: Cross multiply
    456,556.13x = 630,066.03 × 252,603.75
  4. Step 4: Simplify right side
    456,556.13x = 159,157,041,925.61
  5. Step 5: Solve for x
    x = 159,157,041,925.61/456,556.13
  6. Step 6: Final answer
    x = 348,603.45

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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.