Home / 739,534.16-1,020,499.08-417,322.64

Finding the Fourth Proportional to 739,534.16, 1,020,499.08 and 417,322.64

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Solution

The fourth proportional to 739,534.16, 1,020,499.08 and 417,322.64 is: 575,872.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,534.16 : 1,020,499.08 = 417,322.64 : x
  2. Step 2: Convert to fraction form
    739,534.16/1,020,499.08 = 417,322.64/x
  3. Step 3: Cross multiply
    739,534.16x = 1,020,499.08 × 417,322.64
  4. Step 4: Simplify right side
    739,534.16x = 425,877,370,183.17
  5. Step 5: Solve for x
    x = 425,877,370,183.17/739,534.16
  6. Step 6: Final answer
    x = 575,872.48

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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.