Home / 975,079.90-1,345,602.48-545,359.68

Finding the Fourth Proportional to 975,079.90, 1,345,602.48 and 545,359.68

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Solution

The fourth proportional to 975,079.90, 1,345,602.48 and 545,359.68 is: 752,592.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,079.90 : 1,345,602.48 = 545,359.68 : x
  2. Step 2: Convert to fraction form
    975,079.90/1,345,602.48 = 545,359.68/x
  3. Step 3: Cross multiply
    975,079.90x = 1,345,602.48 × 545,359.68
  4. Step 4: Simplify right side
    975,079.90x = 733,837,337,900.01
  5. Step 5: Solve for x
    x = 733,837,337,900.01/975,079.90
  6. Step 6: Final answer
    x = 752,592.01

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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.