Home / 745,404.40-1,118,106.60-706,913.20

Finding the Fourth Proportional to 745,404.40, 1,118,106.60 and 706,913.20

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Solution

The fourth proportional to 745,404.40, 1,118,106.60 and 706,913.20 is: 1,060,369.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,404.40 : 1,118,106.60 = 706,913.20 : x
  2. Step 2: Convert to fraction form
    745,404.40/1,118,106.60 = 706,913.20/x
  3. Step 3: Cross multiply
    745,404.40x = 1,118,106.60 × 706,913.20
  4. Step 4: Simplify right side
    745,404.40x = 790,404,314,547.12
  5. Step 5: Solve for x
    x = 790,404,314,547.12/745,404.40
  6. Step 6: Final answer
    x = 1,060,369.80

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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.