Home / 615,336.39-849,206.79-343,457.19

Finding the Fourth Proportional to 615,336.39, 849,206.79 and 343,457.19

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Solution

The fourth proportional to 615,336.39, 849,206.79 and 343,457.19 is: 473,994.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,336.39 : 849,206.79 = 343,457.19 : x
  2. Step 2: Convert to fraction form
    615,336.39/849,206.79 = 343,457.19/x
  3. Step 3: Cross multiply
    615,336.39x = 849,206.79 × 343,457.19
  4. Step 4: Simplify right side
    615,336.39x = 291,666,177,822.32
  5. Step 5: Solve for x
    x = 291,666,177,822.32/615,336.39
  6. Step 6: Final answer
    x = 473,994.68

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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.