Home / 697,386.14-962,407.10-391,484.58

Finding the Fourth Proportional to 697,386.14, 962,407.10 and 391,484.58

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Solution

The fourth proportional to 697,386.14, 962,407.10 and 391,484.58 is: 540,256.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,386.14 : 962,407.10 = 391,484.58 : x
  2. Step 2: Convert to fraction form
    697,386.14/962,407.10 = 391,484.58/x
  3. Step 3: Cross multiply
    697,386.14x = 962,407.10 × 391,484.58
  4. Step 4: Simplify right side
    697,386.14x = 376,767,539,332.52
  5. Step 5: Solve for x
    x = 376,767,539,332.52/697,386.14
  6. Step 6: Final answer
    x = 540,256.71

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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.