Home / 934,758.20-1,402,137.30-578,617.40

Finding the Fourth Proportional to 934,758.20, 1,402,137.30 and 578,617.40

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Solution

The fourth proportional to 934,758.20, 1,402,137.30 and 578,617.40 is: 867,926.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,758.20 : 1,402,137.30 = 578,617.40 : x
  2. Step 2: Convert to fraction form
    934,758.20/1,402,137.30 = 578,617.40/x
  3. Step 3: Cross multiply
    934,758.20x = 1,402,137.30 × 578,617.40
  4. Step 4: Simplify right side
    934,758.20x = 811,301,038,969.02
  5. Step 5: Solve for x
    x = 811,301,038,969.02/934,758.20
  6. Step 6: Final answer
    x = 867,926.10

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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.