Home / 838,818.47-1,157,582.30-456,845.25

Finding the Fourth Proportional to 838,818.47, 1,157,582.30 and 456,845.25

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Solution

The fourth proportional to 838,818.47, 1,157,582.30 and 456,845.25 is: 630,453.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,818.47 : 1,157,582.30 = 456,845.25 : x
  2. Step 2: Convert to fraction form
    838,818.47/1,157,582.30 = 456,845.25/x
  3. Step 3: Cross multiply
    838,818.47x = 1,157,582.30 × 456,845.25
  4. Step 4: Simplify right side
    838,818.47x = 528,835,975,239.08
  5. Step 5: Solve for x
    x = 528,835,975,239.08/838,818.47
  6. Step 6: Final answer
    x = 630,453.42

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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.