Home / 983,678.40-1,357,457.76-601,677.12

Finding the Fourth Proportional to 983,678.40, 1,357,457.76 and 601,677.12

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Solution

The fourth proportional to 983,678.40, 1,357,457.76 and 601,677.12 is: 830,303.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,678.40 : 1,357,457.76 = 601,677.12 : x
  2. Step 2: Convert to fraction form
    983,678.40/1,357,457.76 = 601,677.12/x
  3. Step 3: Cross multiply
    983,678.40x = 1,357,457.76 × 601,677.12
  4. Step 4: Simplify right side
    983,678.40x = 816,751,275,558.45
  5. Step 5: Solve for x
    x = 816,751,275,558.45/983,678.40
  6. Step 6: Final answer
    x = 830,303.15

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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.