Home / 838,666.36-1,157,329.02-456,684.76

Finding the Fourth Proportional to 838,666.36, 1,157,329.02 and 456,684.76

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Solution

The fourth proportional to 838,666.36, 1,157,329.02 and 456,684.76 is: 630,208.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,666.36 : 1,157,329.02 = 456,684.76 : x
  2. Step 2: Convert to fraction form
    838,666.36/1,157,329.02 = 456,684.76/x
  3. Step 3: Cross multiply
    838,666.36x = 1,157,329.02 × 456,684.76
  4. Step 4: Simplify right side
    838,666.36x = 528,534,525,739.74
  5. Step 5: Solve for x
    x = 528,534,525,739.74/838,666.36
  6. Step 6: Final answer
    x = 630,208.33

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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.