Home / 838,812.60-1,157,574.54-456,839.06

Finding the Fourth Proportional to 838,812.60, 1,157,574.54 and 456,839.06

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Solution

The fourth proportional to 838,812.60, 1,157,574.54 and 456,839.06 is: 630,445.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,812.60 : 1,157,574.54 = 456,839.06 : x
  2. Step 2: Convert to fraction form
    838,812.60/1,157,574.54 = 456,839.06/x
  3. Step 3: Cross multiply
    838,812.60x = 1,157,574.54 × 456,839.06
  4. Step 4: Simplify right side
    838,812.60x = 528,825,264,733.53
  5. Step 5: Solve for x
    x = 528,825,264,733.53/838,812.60
  6. Step 6: Final answer
    x = 630,445.07

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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.