Home / 778,848.03-1,074,809.70-439,316.28

Finding the Fourth Proportional to 778,848.03, 1,074,809.70 and 439,316.28

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Solution

The fourth proportional to 778,848.03, 1,074,809.70 and 439,316.28 is: 606,256.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,848.03 : 1,074,809.70 = 439,316.28 : x
  2. Step 2: Convert to fraction form
    778,848.03/1,074,809.70 = 439,316.28/x
  3. Step 3: Cross multiply
    778,848.03x = 1,074,809.70 × 439,316.28
  4. Step 4: Simplify right side
    778,848.03x = 472,181,399,111.92
  5. Step 5: Solve for x
    x = 472,181,399,111.92/778,848.03
  6. Step 6: Final answer
    x = 606,256.14

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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.