Home / 784,130.70-1,176,266.21-304,347.25

Finding the Fourth Proportional to 784,130.70, 1,176,266.21 and 304,347.25

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Solution

The fourth proportional to 784,130.70, 1,176,266.21 and 304,347.25 is: 456,548.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,130.70 : 1,176,266.21 = 304,347.25 : x
  2. Step 2: Convert to fraction form
    784,130.70/1,176,266.21 = 304,347.25/x
  3. Step 3: Cross multiply
    784,130.70x = 1,176,266.21 × 304,347.25
  4. Step 4: Simplify right side
    784,130.70x = 357,993,386,281.42
  5. Step 5: Solve for x
    x = 357,993,386,281.42/784,130.70
  6. Step 6: Final answer
    x = 456,548.11

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Double scale
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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.