Home / 456,890.25-630,421.05-295,722.93

Finding the Fourth Proportional to 456,890.25, 630,421.05 and 295,722.93

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Solution

The fourth proportional to 456,890.25, 630,421.05 and 295,722.93 is: 408,041.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,890.25 : 630,421.05 = 295,722.93 : x
  2. Step 2: Convert to fraction form
    456,890.25/630,421.05 = 295,722.93/x
  3. Step 3: Cross multiply
    456,890.25x = 630,421.05 × 295,722.93
  4. Step 4: Simplify right side
    456,890.25x = 186,429,960,039.68
  5. Step 5: Solve for x
    x = 186,429,960,039.68/456,890.25
  6. Step 6: Final answer
    x = 408,041.01

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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.