Home / 838,695.26-1,157,412.65-456,721.74

Finding the Fourth Proportional to 838,695.26, 1,157,412.65 and 456,721.74

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Solution

The fourth proportional to 838,695.26, 1,157,412.65 and 456,721.74 is: 630,283.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,695.26 : 1,157,412.65 = 456,721.74 : x
  2. Step 2: Convert to fraction form
    838,695.26/1,157,412.65 = 456,721.74/x
  3. Step 3: Cross multiply
    838,695.26x = 1,157,412.65 × 456,721.74
  4. Step 4: Simplify right side
    838,695.26x = 528,615,517,122.40
  5. Step 5: Solve for x
    x = 528,615,517,122.40/838,695.26
  6. Step 6: Final answer
    x = 630,283.18

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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.