Home / 838,779.06-1,157,547.87-476,236.66

Finding the Fourth Proportional to 838,779.06, 1,157,547.87 and 476,236.66

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Solution

The fourth proportional to 838,779.06, 1,157,547.87 and 476,236.66 is: 657,225.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,779.06 : 1,157,547.87 = 476,236.66 : x
  2. Step 2: Convert to fraction form
    838,779.06/1,157,547.87 = 476,236.66/x
  3. Step 3: Cross multiply
    838,779.06x = 1,157,547.87 × 476,236.66
  4. Step 4: Simplify right side
    838,779.06x = 551,266,728,759.26
  5. Step 5: Solve for x
    x = 551,266,728,759.26/838,779.06
  6. Step 6: Final answer
    x = 657,225.19

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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.