Home / 953,188.64-1,315,395.54-517,602.11

Finding the Fourth Proportional to 953,188.64, 1,315,395.54 and 517,602.11

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Solution

The fourth proportional to 953,188.64, 1,315,395.54 and 517,602.11 is: 714,288.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,188.64 : 1,315,395.54 = 517,602.11 : x
  2. Step 2: Convert to fraction form
    953,188.64/1,315,395.54 = 517,602.11/x
  3. Step 3: Cross multiply
    953,188.64x = 1,315,395.54 × 517,602.11
  4. Step 4: Simplify right side
    953,188.64x = 680,851,500,411.61
  5. Step 5: Solve for x
    x = 680,851,500,411.61/953,188.64
  6. Step 6: Final answer
    x = 714,288.31

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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.