Home / 616,973.40-851,417.22-345,038.16

Finding the Fourth Proportional to 616,973.40, 851,417.22 and 345,038.16

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Solution

The fourth proportional to 616,973.40, 851,417.22 and 345,038.16 is: 476,149.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,973.40 : 851,417.22 = 345,038.16 : x
  2. Step 2: Convert to fraction form
    616,973.40/851,417.22 = 345,038.16/x
  3. Step 3: Cross multiply
    616,973.40x = 851,417.22 × 345,038.16
  4. Step 4: Simplify right side
    616,973.40x = 293,771,430,981.12
  5. Step 5: Solve for x
    x = 293,771,430,981.12/616,973.40
  6. Step 6: Final answer
    x = 476,149.27

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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.