Home / 662,263.77-913,925.70-375,783.06

Finding the Fourth Proportional to 662,263.77, 913,925.70 and 375,783.06

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Solution

The fourth proportional to 662,263.77, 913,925.70 and 375,783.06 is: 518,581.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,263.77 : 913,925.70 = 375,783.06 : x
  2. Step 2: Convert to fraction form
    662,263.77/913,925.70 = 375,783.06/x
  3. Step 3: Cross multiply
    662,263.77x = 913,925.70 × 375,783.06
  4. Step 4: Simplify right side
    662,263.77x = 343,437,796,158.64
  5. Step 5: Solve for x
    x = 343,437,796,158.64/662,263.77
  6. Step 6: Final answer
    x = 518,581.59

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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.