Home / 740,116.08-1,021,368.55-434,197.67

Finding the Fourth Proportional to 740,116.08, 1,021,368.55 and 434,197.67

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Solution

The fourth proportional to 740,116.08, 1,021,368.55 and 434,197.67 is: 599,197.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,116.08 : 1,021,368.55 = 434,197.67 : x
  2. Step 2: Convert to fraction form
    740,116.08/1,021,368.55 = 434,197.67/x
  3. Step 3: Cross multiply
    740,116.08x = 1,021,368.55 × 434,197.67
  4. Step 4: Simplify right side
    740,116.08x = 443,475,844,621.28
  5. Step 5: Solve for x
    x = 443,475,844,621.28/740,116.08
  6. Step 6: Final answer
    x = 599,197.69

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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.