Home / 937,386.40-1,406,079.60-878,337.40

Finding the Fourth Proportional to 937,386.40, 1,406,079.60 and 878,337.40

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Solution

The fourth proportional to 937,386.40, 1,406,079.60 and 878,337.40 is: 1,317,506.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,386.40 : 1,406,079.60 = 878,337.40 : x
  2. Step 2: Convert to fraction form
    937,386.40/1,406,079.60 = 878,337.40/x
  3. Step 3: Cross multiply
    937,386.40x = 1,406,079.60 × 878,337.40
  4. Step 4: Simplify right side
    937,386.40x = 1,235,012,300,057.04
  5. Step 5: Solve for x
    x = 1,235,012,300,057.04/937,386.40
  6. Step 6: Final answer
    x = 1,317,506.10

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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.