Home / 759,501.33-1,138,581.51-286,518.84

Finding the Fourth Proportional to 759,501.33, 1,138,581.51 and 286,518.84

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Solution

The fourth proportional to 759,501.33, 1,138,581.51 and 286,518.84 is: 429,525.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,501.33 : 1,138,581.51 = 286,518.84 : x
  2. Step 2: Convert to fraction form
    759,501.33/1,138,581.51 = 286,518.84/x
  3. Step 3: Cross multiply
    759,501.33x = 1,138,581.51 × 286,518.84
  4. Step 4: Simplify right side
    759,501.33x = 326,225,053,490.65
  5. Step 5: Solve for x
    x = 326,225,053,490.65/759,501.33
  6. Step 6: Final answer
    x = 429,525.32

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.