Home / 934,761.20-1,402,141.80-578,620.40

Finding the Fourth Proportional to 934,761.20, 1,402,141.80 and 578,620.40

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Solution

The fourth proportional to 934,761.20, 1,402,141.80 and 578,620.40 is: 867,930.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,761.20 : 1,402,141.80 = 578,620.40 : x
  2. Step 2: Convert to fraction form
    934,761.20/1,402,141.80 = 578,620.40/x
  3. Step 3: Cross multiply
    934,761.20x = 1,402,141.80 × 578,620.40
  4. Step 4: Simplify right side
    934,761.20x = 811,307,849,172.72
  5. Step 5: Solve for x
    x = 811,307,849,172.72/934,761.20
  6. Step 6: Final answer
    x = 867,930.60

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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.