Home / 838,521.68-1,157,180.73-456,569.42

Finding the Fourth Proportional to 838,521.68, 1,157,180.73 and 456,569.42

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Solution

The fourth proportional to 838,521.68, 1,157,180.73 and 456,569.42 is: 630,077.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,521.68 : 1,157,180.73 = 456,569.42 : x
  2. Step 2: Convert to fraction form
    838,521.68/1,157,180.73 = 456,569.42/x
  3. Step 3: Cross multiply
    838,521.68x = 1,157,180.73 × 456,569.42
  4. Step 4: Simplify right side
    838,521.68x = 528,333,334,731.28
  5. Step 5: Solve for x
    x = 528,333,334,731.28/838,521.68
  6. Step 6: Final answer
    x = 630,077.13

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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.