Home / 838,779.99-1,157,549.15-476,237.58

Finding the Fourth Proportional to 838,779.99, 1,157,549.15 and 476,237.58

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Solution

The fourth proportional to 838,779.99, 1,157,549.15 and 476,237.58 is: 657,226.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,779.99 : 1,157,549.15 = 476,237.58 : x
  2. Step 2: Convert to fraction form
    838,779.99/1,157,549.15 = 476,237.58/x
  3. Step 3: Cross multiply
    838,779.99x = 1,157,549.15 × 476,237.58
  4. Step 4: Simplify right side
    838,779.99x = 551,268,403,545.87
  5. Step 5: Solve for x
    x = 551,268,403,545.87/838,779.99
  6. Step 6: Final answer
    x = 657,226.46

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Double scale
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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.