Home / 976,416.12-1,464,762.78-302,550.36

Finding the Fourth Proportional to 976,416.12, 1,464,762.78 and 302,550.36

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Solution

The fourth proportional to 976,416.12, 1,464,762.78 and 302,550.36 is: 453,868.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,416.12 : 1,464,762.78 = 302,550.36 : x
  2. Step 2: Convert to fraction form
    976,416.12/1,464,762.78 = 302,550.36/x
  3. Step 3: Cross multiply
    976,416.12x = 1,464,762.78 × 302,550.36
  4. Step 4: Simplify right side
    976,416.12x = 443,164,506,403.60
  5. Step 5: Solve for x
    x = 443,164,506,403.60/976,416.12
  6. Step 6: Final answer
    x = 453,868.49

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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.