Home / 838,810.59-1,157,571.78-456,837.06

Finding the Fourth Proportional to 838,810.59, 1,157,571.78 and 456,837.06

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Solution

The fourth proportional to 838,810.59, 1,157,571.78 and 456,837.06 is: 630,442.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,810.59 : 1,157,571.78 = 456,837.06 : x
  2. Step 2: Convert to fraction form
    838,810.59/1,157,571.78 = 456,837.06/x
  3. Step 3: Cross multiply
    838,810.59x = 1,157,571.78 × 456,837.06
  4. Step 4: Simplify right side
    838,810.59x = 528,821,688,714.17
  5. Step 5: Solve for x
    x = 528,821,688,714.17/838,810.59
  6. Step 6: Final answer
    x = 630,442.31

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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.