Home / 760,813.56-1,050,219.27-438,799.68

Finding the Fourth Proportional to 760,813.56, 1,050,219.27 and 438,799.68

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Solution

The fourth proportional to 760,813.56, 1,050,219.27 and 438,799.68 is: 605,714.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,813.56 : 1,050,219.27 = 438,799.68 : x
  2. Step 2: Convert to fraction form
    760,813.56/1,050,219.27 = 438,799.68/x
  3. Step 3: Cross multiply
    760,813.56x = 1,050,219.27 × 438,799.68
  4. Step 4: Simplify right side
    760,813.56x = 460,835,879,605.83
  5. Step 5: Solve for x
    x = 460,835,879,605.83/760,813.56
  6. Step 6: Final answer
    x = 605,714.60

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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.