Home / 838,810.98-1,157,572.32-456,837.42

Finding the Fourth Proportional to 838,810.98, 1,157,572.32 and 456,837.42

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Solution

The fourth proportional to 838,810.98, 1,157,572.32 and 456,837.42 is: 630,442.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,810.98 : 1,157,572.32 = 456,837.42 : x
  2. Step 2: Convert to fraction form
    838,810.98/1,157,572.32 = 456,837.42/x
  3. Step 3: Cross multiply
    838,810.98x = 1,157,572.32 × 456,837.42
  4. Step 4: Simplify right side
    838,810.98x = 528,822,352,132.21
  5. Step 5: Solve for x
    x = 528,822,352,132.21/838,810.98
  6. Step 6: Final answer
    x = 630,442.81

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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.