Home / 904,983.76-1,249,095.10-518,023.50

Finding the Fourth Proportional to 904,983.76, 1,249,095.10 and 518,023.50

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Solution

The fourth proportional to 904,983.76, 1,249,095.10 and 518,023.50 is: 714,996.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,983.76 : 1,249,095.10 = 518,023.50 : x
  2. Step 2: Convert to fraction form
    904,983.76/1,249,095.10 = 518,023.50/x
  3. Step 3: Cross multiply
    904,983.76x = 1,249,095.10 × 518,023.50
  4. Step 4: Simplify right side
    904,983.76x = 647,060,615,534.85
  5. Step 5: Solve for x
    x = 647,060,615,534.85/904,983.76
  6. Step 6: Final answer
    x = 714,996.94

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.