Home / 761,353.56-1,142,547.12-406,622.16

Finding the Fourth Proportional to 761,353.56, 1,142,547.12 and 406,622.16

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Solution

The fourth proportional to 761,353.56, 1,142,547.12 and 406,622.16 is: 610,209.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,353.56 : 1,142,547.12 = 406,622.16 : x
  2. Step 2: Convert to fraction form
    761,353.56/1,142,547.12 = 406,622.16/x
  3. Step 3: Cross multiply
    761,353.56x = 1,142,547.12 × 406,622.16
  4. Step 4: Simplify right side
    761,353.56x = 464,584,977,836.18
  5. Step 5: Solve for x
    x = 464,584,977,836.18/761,353.56
  6. Step 6: Final answer
    x = 610,209.24

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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.