Home / 779,200.02-1,075,236.93-439,699.86

Finding the Fourth Proportional to 779,200.02, 1,075,236.93 and 439,699.86

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Solution

The fourth proportional to 779,200.02, 1,075,236.93 and 439,699.86 is: 606,752.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,200.02 : 1,075,236.93 = 439,699.86 : x
  2. Step 2: Convert to fraction form
    779,200.02/1,075,236.93 = 439,699.86/x
  3. Step 3: Cross multiply
    779,200.02x = 1,075,236.93 × 439,699.86
  4. Step 4: Simplify right side
    779,200.02x = 472,781,527,587.83
  5. Step 5: Solve for x
    x = 472,781,527,587.83/779,200.02
  6. Step 6: Final answer
    x = 606,752.46

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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.