Home / 926,030.88-1,389,746.14-393,926.50

Finding the Fourth Proportional to 926,030.88, 1,389,746.14 and 393,926.50

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Solution

The fourth proportional to 926,030.88, 1,389,746.14 and 393,926.50 is: 591,187.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,030.88 : 1,389,746.14 = 393,926.50 : x
  2. Step 2: Convert to fraction form
    926,030.88/1,389,746.14 = 393,926.50/x
  3. Step 3: Cross multiply
    926,030.88x = 1,389,746.14 × 393,926.50
  4. Step 4: Simplify right side
    926,030.88x = 547,457,832,818.71
  5. Step 5: Solve for x
    x = 547,457,832,818.71/926,030.88
  6. Step 6: Final answer
    x = 591,187.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.