Home / 670,541.49-999,495.32-616,733.19

Finding the Fourth Proportional to 670,541.49, 999,495.32 and 616,733.19

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Solution

The fourth proportional to 670,541.49, 999,495.32 and 616,733.19 is: 919,289.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,541.49 : 999,495.32 = 616,733.19 : x
  2. Step 2: Convert to fraction form
    670,541.49/999,495.32 = 616,733.19/x
  3. Step 3: Cross multiply
    670,541.49x = 999,495.32 × 616,733.19
  4. Step 4: Simplify right side
    670,541.49x = 616,421,934,010.01
  5. Step 5: Solve for x
    x = 616,421,934,010.01/670,541.49
  6. Step 6: Final answer
    x = 919,289.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.