Home / 833,312.10-1,249,676.55-433,820.10

Finding the Fourth Proportional to 833,312.10, 1,249,676.55 and 433,820.10

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Solution

The fourth proportional to 833,312.10, 1,249,676.55 and 433,820.10 is: 650,578.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,312.10 : 1,249,676.55 = 433,820.10 : x
  2. Step 2: Convert to fraction form
    833,312.10/1,249,676.55 = 433,820.10/x
  3. Step 3: Cross multiply
    833,312.10x = 1,249,676.55 × 433,820.10
  4. Step 4: Simplify right side
    833,312.10x = 542,134,805,888.66
  5. Step 5: Solve for x
    x = 542,134,805,888.66/833,312.10
  6. Step 6: Final answer
    x = 650,578.34

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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.