Home / 430,030.14-641,417.06-373,425.10

Finding the Fourth Proportional to 430,030.14, 641,417.06 and 373,425.10

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Solution

The fourth proportional to 430,030.14, 641,417.06 and 373,425.10 is: 556,987.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,030.14 : 641,417.06 = 373,425.10 : x
  2. Step 2: Convert to fraction form
    430,030.14/641,417.06 = 373,425.10/x
  3. Step 3: Cross multiply
    430,030.14x = 641,417.06 × 373,425.10
  4. Step 4: Simplify right side
    430,030.14x = 239,521,229,772.21
  5. Step 5: Solve for x
    x = 239,521,229,772.21/430,030.14
  6. Step 6: Final answer
    x = 556,987.07

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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 (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.