Home / 905,417.02-1,249,475.14-497,545.14

Finding the Fourth Proportional to 905,417.02, 1,249,475.14 and 497,545.14

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Solution

The fourth proportional to 905,417.02, 1,249,475.14 and 497,545.14 is: 686,612.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,417.02 : 1,249,475.14 = 497,545.14 : x
  2. Step 2: Convert to fraction form
    905,417.02/1,249,475.14 = 497,545.14/x
  3. Step 3: Cross multiply
    905,417.02x = 1,249,475.14 × 497,545.14
  4. Step 4: Simplify right side
    905,417.02x = 621,670,283,457.82
  5. Step 5: Solve for x
    x = 621,670,283,457.82/905,417.02
  6. Step 6: Final answer
    x = 686,612.10

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Double scale
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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.