Home / 838,765.36-1,157,488.14-456,798.52

Finding the Fourth Proportional to 838,765.36, 1,157,488.14 and 456,798.52

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Solution

The fourth proportional to 838,765.36, 1,157,488.14 and 456,798.52 is: 630,377.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,765.36 : 1,157,488.14 = 456,798.52 : x
  2. Step 2: Convert to fraction form
    838,765.36/1,157,488.14 = 456,798.52/x
  3. Step 3: Cross multiply
    838,765.36x = 1,157,488.14 × 456,798.52
  4. Step 4: Simplify right side
    838,765.36x = 528,738,869,269.55
  5. Step 5: Solve for x
    x = 528,738,869,269.55/838,765.36
  6. Step 6: Final answer
    x = 630,377.57

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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.