Home / 818,905.52-1,130,332.92-517,300.40

Finding the Fourth Proportional to 818,905.52, 1,130,332.92 and 517,300.40

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Solution

The fourth proportional to 818,905.52, 1,130,332.92 and 517,300.40 is: 714,028.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,905.52 : 1,130,332.92 = 517,300.40 : x
  2. Step 2: Convert to fraction form
    818,905.52/1,130,332.92 = 517,300.40/x
  3. Step 3: Cross multiply
    818,905.52x = 1,130,332.92 × 517,300.40
  4. Step 4: Simplify right side
    818,905.52x = 584,721,671,649.17
  5. Step 5: Solve for x
    x = 584,721,671,649.17/818,905.52
  6. Step 6: Final answer
    x = 714,028.25

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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.